18 Years of Friendship Instagram Quotes and Captions



18 years of friendship is a lot. Your friend will always be there, no matter how small the problem seems, they will find a way to solve it. No matter how big the problem seems, they will find the strength to get through it. 18 years is a long time to spend with someone, so it’s no surprise that people would question the depth of your friendship.



Friendship is a connection between people who do things together, care about each other and help each other out. Friends can be of different ages or from different parts of your life. You can have more than one friend of course!



You have that friend, and it’s 18 whole years already! It’s quite worth celebrating and you are to do that uniquely on Instagram. Well, it has been made easy for you with the best 18 years of friendship Instagram quotes and captions here.



Kindly go ahead and copy the one’s you like best.

See also: Saturday Captions and quotes for Instagram



18 Years of Friendship and Still Counting Quotes

  • To the best 18 years of our friendship. You are my person, my soulmate, and my very best friend. 💚😉
  • You’re my best friend. Happy 18 years, buddy!
  • Happy 18th birthday to my soulmate, best friend, and Twin! You have made me a better person in every way. I cannot wait for the next 18 years and beyond. #bffgoals
  • 18 years we’ve been friends, and it never fails. You still bring out the best in me. Here’s to you, Anne Marie. Thanks for all your laughter and love!
  • I can’t even express in words how much I love this girl. She is the best thing that ever happened to me. We have been friends since we were 18 years old, yes! And this girl never knew what was good for her back then.
  • To my dearest friend, this is for you because you make me happy.
  • Happy 18th birthday to my best friend. You’ve always been (and will continue to be) a shining light for me, and I can’t think of a better person I’d rather spend this life with. #friendshipgoals
  • Happy 18th birthday to my best friend! You have been a joy in my life and have made it much better. 🎂❤
  • Congratulations! You guys are the best!!! Thank you for being an inspiration in life, love, friendship, and your love for fitness! I’m honoured to have you as my friend. #friendshipgoals
  • Like it’s my birthday every day with you! I hope you have an amazing day. 🎂🍰
  • A friend is someone who sees through you and still loves you.
  • We are celebrating our Sweet Sixteen! Let’s have some fun, babe 😂💕
  • You’re not worth all the drama I’ve been through just to get to know you 💅😈 18 years of best friendship.
  • Best Friends for 18 Years! Today is our best friend Kat’s birthday. I asked her if she wanted the usual—a card and some doughnuts—or what she wanted. She said, “some pictures of me looking stunning.
  • Thanks for the laughs, the love, and all of that 18 years of friendship. Happy Birthday!
  • Today, I celebrate 18 years of friendship and memories with two best friends.
  • Three best friends who have known one another for 18 years finally got together for a visit!☺️
  • To the best of friends through all of life’s sweet and sour. We’ve laughed, we’ve cried, we’ve drunk way too much wine. Here’s to many more years of friendship, love.
  • Some friends have known you your whole life, forever through thick and thin. #friendshipgoals
  • I can’t believe it’s been 18 years already! Happy Birthday, Chris. I’m beyond thankful to know you and call you my friend!
  • 18 years of memories. Here’s to counting many more!! Happy Birthday, Linda!! 🎉🍸❤️
  • End of an era  + start of new adventures
  • We may be a decade and a half into adulthood, but this will always connect us 💚
  • When we met we were s s we were sophomores in high school, and all we had in common was how little we had in common, and somehow that made us like each other. Cheers.
  • Thanks for always being there to celebrate my wins and pick me up after my losses. Over the years, we’ve learned that the friends who celebrate your wins and lift you after your losses will be there year after year for your milestones.
  • Some of the most honest, real moments in my whole life have been captured by Sofia + Alex. These girls are my sisters. And their faith means the world to me.
  • 18 years of friendship. Best friends since freshman year. Funny things have happened along the way…but we’d be nowhere without our girls’ nights🙌🏼💃🏻 #18years #bestfriends #highschool.
  • Happy BIRFFDAY to my BFF 🎉🎂 let’s make it 18 years of friendship 👯👯👯
  • It’s hard to believe I’ve known you for 18 years… I have so many fond memories of being silly with you. Happy Friendship Day!
  • You’ve been there for me through thick and thin. But most importantly, you’ve been there for the pizza rolls. Thank you for being a great friend. You help brighten my days, laugh at my jokes.
  • In all my years, I have never seen a friend as loyal as you 🐶. Happy birthday, lover! ❤️
  • With you, my life is like the four seasons: I’m always changing and evolving. But as different as we are, as much as we grow and as old as we get, I know we’ll never be anything but best.
  • Happy 18th birthday to my favourite person in the whole world 🎂 I’ll love you forever and ever 💗
  • Falling in love with a person, especially a best friend, is a choice you make every day by looking at them.
  • I love you because you take my breath away 💓🎧🎹
  • On this journey, we’ve promised to share everything… including our joys and frustrations. The power of a true friend has never been more apparent than now, and we’re happy that we’ve got you!
  • Happy Birthday, My Favorite Friend!
  • To the best 18 years of friendship and many more, may we never grow apart, for you’ve been with me through everything.
  • [Friend’s First Name] and I have been friends for [18] years, and I still love her.
  • this girl has had my back for 18 years… the start of so many adventures to come
  • Two 18-year-olds who have been friends forever take a senior year journey through their beloved hometown of Minneapolis.
  • 18 years since we met in college and 7 continents later, here we are. I love you😘
  • There’s a place in your heart I have loved since the first day we met. Thank you for being my friend and being someone I can’t imagine my life without. You’re the best.
  • Happy birthday. I am honoured to be in your life, from phone conversations filled with laughter to chats about boys, school, and all this crazy life stuff. Here are too many more years of friendship!
  • I am lucky to have you in my life. I’m so happy to have you in my life.
  • Happy birthday to my best friend! I couldn’t imagine celebrating this milestone without you.
  • Happy early birthday to this favourite little sister of mine. I look forward to watching you grow up and discover the world in the next 18 years and beyond.😘🎉
  • Happy birthday to my favourite human. Someday your big girl will still think you’re the best, too.
  • Here is to the best 18 years of friendship. #IDanceWithDaddyAtAllHisConcerts
  • Telling the story of a brand, and their 18 years of friendship
  • Thank you to my girl @janice_wijaya for celebrating the 18 years of friendship with me ❤️🎉Happy anniversary 🥳👰🏻I love you!
  • Being with your best friend for the past 18 years makes every birthday worth celebrating. Here’s to more birthdays, anniversaries, and catching up over ice cream. Cheers 🥂!
  • One of the best years of friendship 💛💛💛
  • When you’re not ready for another year of college, your best friend tells you that you aren’t leaving this dorm room today. #nationalBestFriendDay
  • Sometimes the only thing more fun than making magic together is growing up and staying friends. Happy birthday, my friend. 💚 @lindsayvernon and I.
  • From your dorky middle school days to your dorkier Facebook statuses, these 18 years have been some of the dorkiest, most awesome years of my life❤
  • When you have a friend who is just as excited for your day at @nyfwshow as you are. #supreme18 #adidas
  • Since our very first meeting in kindergarten, I knew Theo would be my best friend forever. Happy birthday, broseph. 🎂🥂█
  • Thanks for being there for me for all these years. I’m proud to call you my friend. 🥂
  • Thanks for always looking out and lifting me when times get tough, Nina. We’ve come a long way, and I couldn’t be prouder of the woman you’ve become. Last night was awesome! 🎉
  • When she asks you to look after her cat while she’s away, but you should have seen the look on your face when she said cat 😂😂😂
  • Getting a group together to celebrate the most important person in your life never gets old, especially when food, drink, and lots of laughter are involved. Happy 18th birthday, Elle! ☺️
  • Twas the night before friendship. And all through the house, not a creature was stirring, not even a mouse.
  • Meaningful friendships can make life feel better and brighter. Here’s to the best 18 years of friendship! #bffgoals
  • 18 years of friendship, so much adventure, so much growing up. Life is always an adventure with your best friend.
  • The best thing about the 18 years of friendship is that they’re 18 more years of friendship ahead!
  • Happy birthday to my best friend, Christie! We’ve learned more about ourselves than we could ever imagine in these 18 years of friendship. I feel so lucky to celebrate it with you, but also so grateful for our whole sweet ride.
  • Sending so much love and happy birthday wishes to my partner in crime 18 years ago today! I can’t believe how far we’ve come since that day on the beach, but grateful for every minute of it.
  • Thirteen years, eighteen states, hundreds of photos, thousands of laughs, and so many memories. I couldn’t have asked for a better friend to celebrate my big day with!
  • She made me feel like I could do anything I set my mind to. She was my biggest fan and taught me the value of hard work. She was always there for me even when I pushed her away… We’ve been through it all.
  • Happy 18th, buddy. I hope your day is as good as you are. 👏
  • 18 years ago, two best friends vowed to take on the world together. Today, they’re still doing it. Congratulations, Jada & Cara! 🎉🥂
  • “Friends are a very important ingredient in a happy life.” – Aristotle 😊 Happy Juneteenth! 🇺🇸
  • The present is theirs, and the future is yours.
  • Throwback to the best 18 years of friendship. 😫❤️😍
  • Friends without benefits👯👓🍥️😷🍆🍹☕☕☕☕☕☕☕☕☕#besties18
  • Quick Lil post for all of you who know how hard the last 18 years have been. My best friend 🙋🏼 ♀️👱🏼‍♀️✨
  • I got you 😘 #bestfriends
  • I’m the lucky one. That’s what it means to be best friends! Happy birthday my friend ☺💕 I’ll always have your back.
  • Feeling super BFF emotions as I celebrate a very special birthday with my best friend. Thanks for the party, the laughs, and always being there. Here’s to 18 more. 💗
  • Happy 18th. of you the best friend a girl could ask for
  • What a moment…to share this past weekend with the best friends I could ask for. 18 years down, 18 more to go. Happy birthday to my sweet.
  • Happy 18th birthday to one of the sweetest souls I have ever met 👯❤️
  • Let’s celebrate this day—and every day—with a selfie 🤗
  • Happy bday to the person who told me to go backpacking when I was 18 and has been there every day since ❤️
  • I don’t know if this feeling will ever truly leave me. I’m just so lucky to have journeyed through life with you. Right now, I’m typing away tears of joy because my heart is bursting with gratitude.
  • 18 years from now, we will indeed be old, but we’re just young right now.
  • Happy birthday, my favourite person. Here’s to so many more of these & more of you,” he said.
  • 18 years of friendship. 18 years are growing.
  • 18 years of friendship, laughs, and memories… celebrating Tinolang Marshmallow. Let’s eat, drink, and remember! 🎉🍰
  • It turns out you were a shoulder to lean on, a hand to hold, and a face to hug even from the beginning. Here’s to being best friends for 18 years 👯‍♀️
  • I’ve known you for 18 years, and you still make me smile like this. Happy birthday, best friend! xo 🎉
  • 18 years and we still haven’t figured out how to use the oven #friendshipgoals
  • My best friend since freshman year at college. J’s last day in NYC before going to grad school in Colorado 😭 #graduation #4yearsofbestfriendship
  • You’re my best friend, today and every day. In celebration of 🍃💗 here’s a little rose gold to brighten your day.
  • You’re my best friend, and my sister all rolled into one, and I’m SO grateful for you💕 #happybirthday #18years
  • Let’s make this friendship last longer than these fries 👍 🍟
  • When you stop to think that you’ve been adventuring together since the beginning of 1st grade… isn’t friendship amazing? 💕
  • A true friend is someone who never stops believing in you. You’ve been by my side through it all! Happy birthday 🎂
  • Happy 18th birthday to my best friend. I feel so lucky that after 18 years of friendship, I get to recognize you on your special day. You have been a constant source of inspiration.
  • Happy bday! 18 years of friendship and still counting #dlfb #25years
  • It’s our senior year… We came into high school as freshmen who didn’t know each other, but now we’re best friends that stayed together through growing up, long-distance, and everything in between. Here’s to 18 years of friendship.
  • Happy birthday to my best friend. I hope every day you get to celebrate the never-ending love that is friendship. Make sure you are always there for yours ✨🎂 #bestfriend
  • Happy 18th birthday, @mcconnietangerine 🎉 You are smart, talented, kind, generous, funny, stylish, loyal & one of the most genuine people I’ve ever met. I am so grateful for our friendship.
  • My BFF and I on our photoshoot we did 18 years ago 📸💕 #lowkey #bffgoals
  • Some friends you know will be with you your whole life. That’s a friendship to celebrate 🥰 #LoveIt.
  • ️ Thanks for being the best friend a girl could have. Through high school, college, and adulthood, you’ve been my trusted confidant and greatest cheerleader. I love you! 💗

18 Years Friendship Quotes for Instagram

  • When you finally realize why your friends are your friends.
  • Nineteen years ago, we met on this very stage. From sweatpants to dresses, who knew they’d take us so far? 💃🍾
  • Two of my favourite girls. I love that we’ve been there for all of it! Even if we’re missing two important ladies who were there for a start. Our little family photo bomb. ❤️👼🏼
  • And then there were four. Tonight that group becomes three. I can’t imagine a better way to spend my birthday than with you three. I will never forget the amazing adventurous, silly, fun times we have had…and I can’t wait to see.
  • 18 years of friendship are the best years of my life. Here’s to many, many more. HBD, best friend! 😚😊
  • Some moments just have to be frozen in time❤️ #friendshipgoals #bestfriendsforever #18years #birthdaygirl
  • You will forever be the one I consider my best friend because she put up with 18 years of me. Now I’m single because she’s married to my ex. 🤷🏻‍
  • Flashback to my 18th birthday with this best friend. #friendshipgoals
  • I can’t believe I’ve gotten to share the last 18 years of my life with the most thoughtful friend I could ask for. Here’s to another year of learning how to be better versions of ourselves! We love you,
  • Love is like a Volkswagen. If you don’t screw it up, it could last 18 years 😉
  • You gave me strength, courage & wisdom. That’s what friends are for.
  • If you’re lucky enough, you’ll find a friend who can take your hand and walk with you through this life. And if you’re really lucky, that friend will be your sister.
  • -“You got some front, mister. Saying you lost six grand on that boat race.” “Well, I did lose six grand on that boat race!” #Carousel
  • Here’s to three-hundred and sixty-five days of never being able to choose just one.
  • One photo may sum up 18 years of friendship, but together they would fill up an album. Happy birthday to the best friend I’ve ever had. Cheers to another 18 years of making memories. #BFF
  • 18 years of friendship, and it keeps getting better every day. Happy birthday to my best friend. Love you! ❤️
  • To my best friend on her 18th birthday, I can’t believe our friendship has lasted this long! 🎉🙌💕
  • Happy 18th birthday to my BFF! 😘
  • It’s the little things that mean the most #18years
  • 18 years ago, I met this girl at camp… ONE!! 🥂🎂 #FriendsForever
  • 1️⃣8️⃣ . That’s how many years ago you asked me to prom, and I turned you down. Oops! I didn’t realize I was signing up for life with you.
  • When two people are close, they always understand each other for who they are. All the great memories made are full of happiness.
  • “Someone who shares the same thoughts as you has the same dreams as you and gets sad when joy leaves and happy when you’re happy. Someone who completes your life and makes your world a better place” 😘💕
  • “A friend is one of the nicest things you can have, and one of the best things you can be.” ― Eleanor Roosevelt.
  • An 18 is when I first started to experience my world through your eyes—not having to look around for you, but knowing you’d be there.
  • I love you not because of who you are but because I am when I am with you.
  • If unicorns cry when they lose, I’m pretty sure we just got in trouble for using sparkly eyeliner in the wrong place and time.
  • 18 years of friendship and counting. Happy birthday, C! We love you like like like like like like like like like. 😘😗😍
  • Happy Friendsgiving, 18 years of friendship.
  • Today, we celebrate the anniversary of our friendship. Time spent together talking and laughing has been some of the best years of my life.
  • Happy 18th birthday to my twin sister and best friend 🎈🎉
  • Happy 18th birthday, friend. So grateful that we get to grow old and celebrate you always. We love you ❤️ 🎉
  • Thanks for being with me through all of my ups and downs, watching me grow up into the person I am today. I love you!
  • Happy birthday to my best friend and partner in crime 😉
  • My best friend and I both graduate from high school.
  • Life is a journey, and I’ve been blessed with an amazing one. Here’s to another year of adventures, growth, and happiness! 🍷💕
  • Happy birthday to the best, most adventurous 18 years of friendship. I look forward to the next 18 cool years!
  • 18 years. I love you. Thank you for being my best friend 👭💃🏻
  • The last 18 years of friendship have been a blast, and we can’t wait to see what the future holds for us.
  • I am celebrating the 18 amazing years of friendship with my twin, Adam. May all your days be this awesome.
  • I’m so glad we’re still besties and that it’s been 18 years already #happybirthdaybabe!
  • Best friends don’t have to say they’re sorry 🥰
  • I can’t believe it’s been eighteen years already. Let’s make this year the best yet 👫 #SisterGoals
  • Friends are there for you even when–even if–You’re eighteen years late celebrating them. 😂🎉
  • These shoes and me: we’ve been through a lot. Happy 18th Birthday, J’s! @jessicahardin
  • Thank you for the laughs, the tickles, the adventures, the late nights, the ice cream runs, the egg rolls & ice cream runs, inside jokes, sexting holidays, inside jokes. 🎂🎂🍰
  • It’s that time of year when all-important birthdays are celebrated, so let’s toast to another 18 more years! 🥂
  • Happy BIRTHDAY to my friend!!! I hope your day is nothing but sunny and lovely! 🌻
  • I got the best of 18 years of friendship as a Bday gift ☺️🎉
  • 🎉🎊🎆 Stick these captions onto your best 18 years of friendship photos to celebrate your lifelong commitment to each other ☺️
  • 18 years of friendship is a gift and one I’m thankful for every day. 💕
  • 18 years of friendship, so many inside jokes, so many laughs, so many holidays spent together – all with you. Happy bday 🎉 – my best friend 😘
  • Hey girl! Is it your bday already? Can you believe we’re still celebrating 18 years of friendship and late-night beach chats and kooky collaborations, and so much more?!? 💕🦄
  • Ikigai is a word in Japanese that means “a reason for being.” For me, it’s the unwavering support I get from my BFFs. This birthday week, I celebrate 18 years of friendship with
  • It always comes down to friends. 18 years strong ✊🏼
  • My best friend and I have been through a lot together. So much that doing the simplest things together still gives me feelings of warmth and excitement. Eighteen years can’t be wrong! Here’s to another 18 years! 👊
  • Happy birthday, @gschmeiser18! It’s been an honour to be your friend for almost 18 years, and I’m excited to see the adventures we’ll have in our next 18 years! 🎉
  • I love the skin you’re in. Happy 18th birthday to my best friend who taught me to do just that 💚😍👬
  • I’m so proud of you and happy for you. Thanks for all the letters & care packages & snacks (so much space in my cupboards) & the amazing memories we’ve created together over the years. Happy 18
  • I am sending love and hugs to my best friend today. Happy friendship day, sweetheart ❤️
  • When you know, you know. And when it’s right, everything else will fall into place—happy anniversary to a very special someone.
  • They were dashing through the neighbourhood… because friends just want to have fun!
  • I don’t think I’ve ever known anyone who makes me laugh as hard as you. Thank you for the best 18 years of friendship. 💕😂
  • Last night the three of us celebrated the 18th anniversary of our friendship. The last few years haven’t always been smooth sailing for all of us—just like any relationship—but there has always been love between us. #childhoodfriends
  • I can’t wait for our night of BFF fun tomorrow! #18Years
  • These photos don’t do justice to the laughter and memories we made together over the years. You’re one of my favourite people 👭 ❤️❤️ #ladygang #bestfriend
  • Happy 18th birthday to my #1 Skilling! Here’s to 18 more years of laughs, late-night conversations, and making each other blush. Good times 🙌🏼❤️
  • On this day 18 yrs ago 2 people who had never met before became friends for life. For better or worse, richer or poorer, thicker and thinner, we will always have each other.💜
  • Darren and I met at 16 years old, and we’ve been best friends ever since. We went from hangovers to hang-ups, from teenage love to toddler loots, from chubby cheeks to chubby tummies…you grow.
  • We hope these moments will be burned in memories for years to come #instafriends #bffgoals
  • To all the great times we’ve shared, happy 18th birthday, my friend. To all the great times to come, here’s to many more.
  • Cheers to celebrating our 18th birthday and the many, many more we have to come 👯 🥂 #18yearsofsplendor
  • How good are my friends? Let me count the ways.
  • I’m so grateful to no longer be counting down the days with you…but to keep celebrating them #happydaysahead
  • May we grow old together and never stop playing the music we love.
  • Best 18 years of friendship with my girl @tarrahleigh. Yay! #lastdayoftheoffice
  • Eighteen years of friendship, memories, and laughs – you have been a true blessing in my life – there is nothing I wouldn’t do for you – so grateful to have a forever friend that feels like family 💛🎊
  • 18 years. Celebrating my best years of friendship.
  • There’s a place every 500 days where 18 years of friendship fit into a single photo 😉


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