12th Birthday Captions for Instagram with Quotes

Although the days of elementary school are behind us, the memories of birthday parties and the anticipation of gifts are still fresh in our minds. One of the most memorable parts of any birthday is writing a caption for the birthday pictures, and making sure you get the perfect photo for the caption. Deciding which birthday caption to use when posting to Instagram or Twitter can be tricky, so don’t worry. We’ve got you covered with the best 12th birthday captions for Instagram and the rest of the web!

This collection contains Instagram happy 12th birthday captions and quotes for yourself, friends, daughter, son, brother, sister, nephew, niece, cousin and more.

Flash: We all like to celebrate our loved ones’ birthdays by buying them gifts or taking them out to dinner, but giving them the gift of social media is a great way to also celebrate their 12th birthday. Social Media is a great way to keep your loved ones connected.

For Yourself

Happy 12th birthday to me! My joy is boundless!

All the drinks on Instagram on me! Happy 12th birthday to me.

I’m growing old to represent the virtuous clan! Happy 12th birthday to me!


It’s my 12th birthday and my happiness is beyond describable! Let the wishes and gifts start rolling in. 🎂🎈🎉🎁

This weekend I’m turning 12 and everything is perfect 😎 #happybirthday #big12celebration.

I’m Wishing myself a year filled with joy, love, laughter and surprise. Happy 12th birthday to me.

And to all the candles that I blew out 🎂! Happy 12th birthday to me.

I’m 12. I’m old enough to get watched over by guardian angels but young enough to still have a curfew.

Happy birthday to the most courageous person I’ve ever known or met. Happy 12th birthday to me.

I’m no longer just a girl 🎂 I am a woman ✔️ Happy 12th birthday to me.

Today I turned 12 years old! It feels like I’ve learned so many life skills in the past year and I look forward to seeing what happens next year, and all the years after that. 🎂🎈🎁

For Best of Friends

I bless the family that raised you, dearest friend. Happy 12th birthday to you.

Happy 12th birthday to my friend… we’ve come a long way and growing old in wisdom and style!

This is my dearest friend, in whom I’m well pleased! Happy 12th birthday to you.

Happy 12th birthday to my friend. What a pleasure to have made memories with you over the years. Happy Birthday!

Wishing you a day ripe with TWELVE amazing years of opportunity, growth, and joy. Have a wonderful 12th birthday, friend!

HAPPY 12th BIRTHDAY to my best friend @biciclette. This past year has been an incredible experience. I’ve challenged myself to grow as lovelier, brilliant and pretty as you are.

I am celebrating another year of our friendship, today! Happy 12th birthday, my friend. 😎. I love you all the way to the moon and back 🌝.

Cheers to another year of love for you, dear friend! Happy 12th birthday to you.

It’s your 12th birthday, friend. I hope it brings all the courage, beauty and love you need for the coming years.

Friendship is not by age but impact. Thanks for being my small but mighty friend. Happy birthday to you.

For Your Sister

Happy 12th Birthday Courtney! There’s only one thing I can #wish for you… to have the most amazing year ever. And to let me share in all your favourite dishes. Lol. forget about me.

Happy birthday to my baby sister — you’re such a joy to grow up with. I hope you have the best day today! 🎊🍰 #birthdaygirl.

I admire you and am inspired every day by you. Happy birthday, my baby girl. #mybirthdaygirl.

We’re so excited to celebrate the best 12 year old around with a super cool, super delicious,super fun birthday party!

My cute sister, I cannot find the best of words to describe your special place in my heart. Wishing you happy 12th birthday!

On your 12th birthday, I want you to know that people like you are a rarity. You are compassionate, considerate and kind. You have a big heart and I am happy that it belongs to me. Happy birthday!

As my dear sister, I want to express my love for you. I thank God for not taking you from me as I am still a child on many accounts. Together, we will see many storms come and go, and enjoy endless bliss. Happy 12th birthday to you!

Dear sister, your presence is a breath of fresh air in my life. I want to see you grow to be a blessing to all and sundry! Happy 12th birthday.

As a sister, you were always there for me, and supported me all throughout my life. From the time we were small, you would take care of me. You were like a friend, like a guardian angel to me. I just want to say that your love has made my life beautiful.

Today is your day, your life has just begun and you’re already celebrating your 12th Birthday! It was a pleasure caring for you and watching you grow into a fine young lady I’m proud of.

Your Brother

My focus in the past years had been on your exceptional growth! Happy 12th birthday, brother!

Dear brother, may your birthday be filled with fun, friends that will last a lifetime & cake. And don’t forget to share 😉.

Happy 12th Birthday to our favorite little brother, may your day be filled with joy and a lot of chocolate. 🎂

Here’s to another year of dreams, adventures, love and growth. #BrotherLove 💛.

Beautiful view, amazing friends, and delicious cake. That’s how I imagined your birthday would be 😉. Happy 12th birthday, brother.

Come celebrate my little brother’s 12th birthday! He loves hearing from friends. 😎.

So excited for my little brother’s 12th birthday party. Hope he loves it! #happybirthday #brotherbirthday #bdayparty.

Today Samuel turns 12, officially double digits. It’s pretty neat to be able to share this day with my little brother. To see him grow from a baby into an old man is awesome.

Here’s to a big year of firsts for my little brother, so much to look forward to—congrats Sam!

Happy birthday to my little brother. I love you, man! Let’s go snowboarding?

Sometimes all you need is a place to go and a person to love. I cherish every moment with you, dear brother. And happy 12th birthday.

Your Son

Happy birthday my sweet boy! You are a wonderful, kind and thoughtful young man (so much like your daddy). I am such a lucky mom. #Happy12thBirthday.

I love the better version of me you’re becoming, son! Happy 12th birthday to you.

Happy 12th Birthday to my big boy! I love you.

Please join us in celebrating Alexander as he celebrates his 12th birthday. He’s the sweetest, most thoughtful, and kindest boy we know, and a remarkably good person.

He is 12 today and so much more, but mostly more than I could have ever imagined 🎂 .

Happy 12th to the kindest, most generous boy on the planet. We love you so much. Can’t wait for your next adventure!

Happy birthday to my favorite boy. Your mom loves you bunches and bunches!

Happy 12th birthday to you, dear son 🎂. Thanks for representing us wonderfully well!

Happy 12th birthday, J! I’m so happy we’ve had you for every season of your life. Here’s to many more! #hbdson.

12 candles 🎂🌟 and he’s already outgrown his middle name. Happy birthday, my little man 🎉🎈 ☺️.

On the count of 3 I want you to wish him a happy birthday. Ready? 1, 2…….. Happy Birthday Ryan!

Your Daughter

Happy 12th Birthday to my sweet girl. Mom and dad loves you! 🎂

It’s always been a dream to see my kids accomplish great things. The dream is hitting reality with you, every year. Applause to the woman you’re becoming! And happy 12th birthday, daughter!

The time between when you were born and today marks the most thrilling, important adventure of my life. I’ve loved every minute we’ve spent together and am so thankful for your heart, your humor, and your curiosity—and all the ways you make the family more of you. Happy 12th birthday, daughter!

My daughter is all grown up. Today is my baby girl’s 12th birthday! Happy birthday, my beautiful girl. 🎂

She’s going to be a teenager soon #raisingadaughter #growinguptoastranger #12yearsold #happybirthday #already12.

Happy 12th birthday to our brilliant, beautiful, loving and warm hearted daughter.

Happy 12th Birthday, to my gorgeous and amazingly mature daughter. 😀😍🎉👑

This little-big girl just turned 12. Such a lovely age to be… so like a fine wine, Mia is getting better with time. 😀

Happy birthday sweetie! you’ve grown up so fast. I can’t believe this year has flown by so quickly. It’s been such a blessing watching you grow and become more self-sufficient every day. Happy 12th birthday!

happy 12th ❤️ birthday to my beautiful queen. You’re a fine young lady and I can’t wait for your first date. May all of your life choices be as fabulous as you are.

12 candles on the cake 🍰, many more years of love to you, dearest daughter!

Your Niece

Today is my niece’s 12th birthday. I love you, claire.

Here’s to another great year of everything great! #sweet12

OMG, my baby niece just turned 12! Happier birthday to you. 🎂😱

I decided to celebrate my nieces 12th birthday by treating her to her favorite thing in the world, Italian food. I think she enjoyed it!

My beloved artistic and curious niece just turned 12! I’m so grateful for all her sparkle and inspiration (and big smiles). Happy birthday, Grace!

I’m the coolest aunt ever! 😎☕️ Happy Birthday, #12isprettycool #birthdaygirl.

Wow! It’s hard to believe that my little niece is all grown up. 12 years old… Wow! I can remember when she was this big.

I’m so proud of you and all the great things you’re doing in school and in life 🎈🎈 Happy 12th Birthday, sweetheart! 😘😘 I love you! Xoxoxo.

Today is my niece’s 12th birthday, help say some wonderful wishes to this beautiful soul!

Happy 12th Birthday to the most amazing niece! 😍 #niece #birthday.

Happy Birthday to my awesome niece, Daisy. You are the sweetest! So excited to celebrate with you – Aunt Danni.

Your Nephew

It’s my nephew’s 12th birthday 🎂! Happy birthday, dear.

It’s hard not to feel proud when you see how much of an individual your nephew has become. My brother and his wife did a great job raising him! Happy 12th birthday!

One of the best feelings in the world is getting to see your nephew open a gift and say “WOW.” #lovesit. Happy 12th birthday!

Wow, great changes…#12 #happybirthday #nephew 😍.

Happy 12th Birthday, Dean! Love you so much! #HappyBirthdayDean #🎂.

I can’t stop thinking about that day all those years ago when my sister brought that wrinkly, red-faced baby home from the hospital. 😂🎉 #thatsmybrother. Happy 12th!

Happy birthday to my nephew, with love!

Happy birthday, Chase, I love you millions heaps and bunches 😘❤️🎈🥳 baby buddy nuggs #mylittleboy.

Over here at my nephew’s 12th birthday party. He got all the gifts I’ve ever wanted as a child, including Legos, Tylenol and this awesome hat. #birthdayboy.

Wow! Way to go buddy. Hope you have a great day as you celebrate your 12th birthday!

Well, happy birthday, little man—and may the next dozen be even better. 🎂

Your Cousin

Happy 12th Birthday, Devan 🎂 You are such a wonderful young man. Thank you for being so thoughtful and kind to others. Love you to the moon and back.

Happy Birthday, handsome. You’re a big man and I can tell the world has big plans for you. 🗣.

To my little cousin sister, wishing you the best today and throughout your life. Happy 12th birthday!

You’ve all grown up now! Wishing you the best birthday ever, cousin!

It’s my cousin Sabrina’s 12th birthday today! She’s having a lot of fun and is so excited.

Happy 12th birthday to my cousin, Raelyn. She’s a year older and wiser, but still just as sweet.

I love you, cousin. Happy early birthday. Can’t wait to celebrate in person at dinner tonight. ✨

As a tribute to my favorite birthday boy, I would like to share some of my favorite things.

Happy birthday Lil cousin! We love you big boy! 🎂🎉🎈  #

Happy birthday, sweetheart cousin ever. You are growing up so fast 😘.

Your Sister-in-law

Happy birthday to my favorite sister-in-law in the world! Love you so much.

Happy birthday to my sister-in-law, a beautiful soul who brings joy to everyone she meets.

Happy 12th birthday to the coolest, most wonderful sister-in-law in the world. Honestly, I don’t know what we’d do without you! #happybirthday.

Happy birthday to my sister-in-law! You’re 12 now? You’re so grown up. 😵

To my beloved sister-in-law, Happy birthday! You’ve brought so much joy to our family and I cherish every day we spend with you. Wishing you much happiness in the coming year.😘

Your birthday will forever be known as one of my very favorite days. I’ll never forget it for the rest of my life. Happy 12th, and many, many more.

We are so lucky to be related to such an incredible woman who is a best friend, and fiercely supportive of us all.

We have no idea what we ever did to deserve you as a family, but we are grateful for your gift of love. Happy birthday.

Sweetest, most sincere, and most genuine young woman I know. Happy birthday, sister-in-law turned sister.

Happy birthday to my favorite sister-in-law. I love you with all my heart. I’m so excited to celebrate this special day with you and the rest of my family!

Happy birthday, (sister-in-law) … you’ve grown into such a beautiful person inside and out. I am so thankful that you’re in my life ❤.

Your Brother-in-law

Happy cake day 🎂 to the most magical little man in the entire world. Love you ’till the end of time.

Happy Birthday to the most-accomplished 12-year old I know. He is Mr. Everything. You will continue to inspire us in everything!

Happy 12th birthday, bro! You have taught me so many things at your young age. I can’t wait to see how much brilliance and awesomeness you grow into!

Happy Birthday to my brother-in-law, the nicest, funniest person we’ve ever met. We love you so much and can’t wait to spend another year with you.

We’re so excited to celebrate your birthday, sweet brother.

Happy birthday, Charles! This next chapter will be filled with many more adventures for you and your family. I love you to the moon and back.

Today I celebrate you. Happy 12th Birthday, Brother-in-law. I’ll spend the next year trying to match your courage, strength, and pride. Love you!

I know we don’t tell you this enough, but you are one in a million… #happy12thbrithday.

Happy birthday to the most awesome brother-in-law in the world. You’re one year older but, you’ll always be 12.

Happy birthday to the brother-in-law who gets me through midterms with unlimited video games and never hesitates to put on a silly costume 👨🎂🎉.

Your Boss’s Daughter or Son

Celebrating my boss’s daughter on her 12th birthday 😊 .

Happy birthday to my beautiful boss daughter. ❤️🎉

Happy Birthday, Isabella! 🎂 I’ve learned so much working for your family and can’t wait to watch the next 12 years unfold. #bossbabe.

Today is my boss’s beloved daughter’s 12th birthday. Happy bday, my dear #bossdaughter! #hbd #happybirthday #bossdaughtersarethebest.

Happy 12th birthday to my extra special boss’s daughter, Lillie. She’s growing faster to be better than her parents!

Happy birthday to the amazing, wonderful, spectacular boy who has turned 12 today!

It’s hard to believe this dude is 12 already! He is such an awesome person and all the staff members are so proud of him. #happybirthday #🎂

It’s the little moments that count. Happy Birthday AJ! #hbd.

Sending some birthday cheers to my boss’s son, who turns 12 today!! Here’s hoping this new year treats you more kindly than usual 😉 🎂👯 #ontheblog #beckymakesitpretty #

Happy birthday, dearest! I love you to the moon and back.

A new year for a new beginning. Happy birthday!

Here’s to the birthday boy—we love you and hope it’s a great year! #hbd.

Happy 12th Birthday, Mackenna! You will be a teenager before you know it. We love you and can’t wait to see all the amazing things you do with your life!

Happy birthday to the daughter of the best boss in the world! I may be older than her, but she is always my sweet girl.

Happy 12th birthday to my boss’s daughter!

Turning 12 is officially a big day! Wishing my boss’s daughter the best possible year ahead. 🎂🌸

Celebrating the birthday of my boss’s daughter on the eve of her 12th year, alongside all her closest friends, family and us ⚡ ✨.

Happy birthday, Francesca! I love you and can’t wait to celebrate your awesome future this weekend with all of your amazing friends.

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