Choosing a picture for your birthday is hard enough, let alone figuring out what to write in the caption. Well, no longer will you have to worry about these 21st birthday captions. Here we have compiled the best for you to use on your Instagram post to make it stand out.
21st Birthday Captions for Instagram
• 💍 It’s my birthday. I’m officially legal to be here and drink 🍻🎉🍷#21thBirthdayCaptions
• Turning 21 with all my best ladies 🥂
• Happy 21st birthday to my adorable niece, whose laughter is sweeter than any cake 🎂. Many more happy returns, Adriana! #21 #happybirthday #adrianalynn #birthdaygirl ##
• Happy 21st birthday to someone with a limitless future. We wish you all the best on this exciting milestone, and we’re so proud of the person you’ve become.
• Let’s make some 💥 today. You only turn 21 once! -Riri #bday #birthdaygirl
• Turning twenty-one! 👯🎂
• Celebrating big 🎂🎉 #21Forever
• Here’s to 21 years of getting it right. Cheers to another great year, J! Wishing you and your loved ones all the best in this next chapter of life! Love, Kathy, and the entire Starbucks family
• So hard to believe you have officially made it to 21, so proud of the amazing human being you are! ❤️ #Happy21st
• Happy birthday to my sweet, caring, and down-to-earth best friend. You’re the most thoughtful person I know, and I’m lucky to count you as my favorite person in the world ♥️ #HappyBirthday #21stBirth
• Today, you turn 21 years old. Happy birthday to someone who has accomplished everything in their single life. On your 21st birthday, the time has finally come for you to have some responsibility and freedom. You’ve been waiting for this
• Cheers to 21 years of friendship ✨ #21stbirthday
• Hey girls, it’s my 21st birthday, but really I’m just celebrating another year older than you. #onerainbowwishswasasinglecake
• Happy 21st Birthday to my partner in crime. It’s crazy how fast time flies. I’m SO thankful to have you as my best friend and little brother! You’re such an important person in my life, and I love you to pieces.
• Born on the #21st birthday, living it up every day. 🎂
• Millions of candles will be made, millions of gifts will be given, millions of smiles will be shared. But if you were to live number your life by one birthday- the 21st will stand out the most. Happy Birthday.
• It’s your birthday and there is no time like the present to celebrate! Whether you are celebrating your 21st, 20th, or even your 10th, you should feel proud of making it this far.
• We’re not saying that turning 21 is a reason to celebrate, but believe us when we say this first birthday will be one for the record books. @username
• This is the age when you’re still young enough that everything seems possible. Happy 21st to my favorite person in the world. #happybirthday #21 #allthingspossible
• Happy 21st to our favorite lil’ sister. You’re as sparkly and bold as the diamond we got ya! xoxo #teamlegacy
• 🎂🍰Turn Up Your Birthday #my21stBday
• Celebrating Lindsey’s 21st birthday in Tulum xoxo #mygreattribe
• A birthday message and an invitation to a 21st Birthday Party.
• Happy birthday to someone who makes me daydream about all the adventures we’ll go on together. Let’s make our future less stressful and more filled with ice cream. #Happy21stBirthday #caketime ##
• Happy 21st birthday to the best little sister a guy could ask for. I hope your day is as awesome as you are. 🤗 ##
• Cheers to 21 years of the most incredible life I could have ever imagined. Here’s to new adventures and more cheesecake. 🎂🍰 🍕
• Happy 21st birthday to my love, my reason, and all things.
• Whether you’re celebrating your birthday or that of a loved one, post the perfect photo this year using one of these baby and birthday hashtag ideas.
• Here’s to you, here’s to me, here’s to 21 more years. Cheers!
• Hello 👋🏽 – it’s my 21st birthday! You are more than welcome to come to celebrate with an overproofed cake and some ginger ale in the Shanghai townhouse tonight from 8-10.
• Life is good right now; I’m filled with so much hope and promise. Every day is a blessing, and I’m so grateful to be where I am in my life. Today you’re turning 21 years old, and you better BELIEVE life.
• Happy 21st Birthday to my favorite ☘️ 👭!
• Happiest of birthday’s to you, happy 21st, and keep on strutting the ladder of life. #happybirthday
• Happy birthday to you!!! We love you so much and can’t wait to see what the next year brings; we’re going to make it the best one yet!! 🎉🎈🎂 #21 #21
• Happy 21st! Thanks for being so awesome. Going to be one heck of a year.
• We’ve come a long way. Happy birthday, Instagram! Here’s to five more years of pointless posts and excessive online shopping. 🎈🎁 #21today
• One day you’re 18, the next—21 🎉 😎
• This is the year your dreams are going to come true. This is the year your tears will turn to cheers. ___ Happy Birthday🎂, we’ll drink to that!
• May your special day be filled with love and laughter, And the wonder of happy memories to come. Happy Birthday
Best 21st Birthday Captions for Instagram
• Happy 21st Birthday for a birthday celebration of a young girl
• Happy 21st Birthday, Dad! Thank you for dedicating your life to me and helping me learn, grow, and discover myself. What a blessing has you as my father.💕
• Happy 21s t day! Thank you all for the wishes and love. It means the world to us. We are so excited to see what the future will bring but hope this is the first of many years to come with everyone
• Remembering always how much you’re loved. Happy 21st birthday.
• As you make your way to your big 21 🎉, we just want to say congratulations and thank you for this very special birthday. Here’s to that first legal drink and many more celebrations to come!
• Cheers to 21, cheers to friends and family, cheers to growing older. And cheers to still being you. – Timothy Leary #bdayboy #bdaygirl
• Happy Twenty-One, you little charmer. Here’s to every minute of your fabulous life so far.
• No matter what year it is, you’ll always stay the day and age of my favorite memories with you.
• It’s been an incredible year. So many experiences I wouldn’t trade for anything. Here’s to the next one. 🥂💃
• Happy 🎂 , with the most fun fact being how much coffee you drink.
• Happy 21st Birthday to the best mom 💙💜❤️ Has it been twenty-one years?!? Thank you for always being there for me and always believing in me no matter what. It’s been a heck of a ride.
• Happy 21st Birthday to the most beautiful, funny, kind-hearted woman I know! I’m so lucky to be your big sister, @sarrella! I love you dearly, and I can’t wait to see what the next year brings.
• Happy 21st birthday to the best friend and boyfriend… one who has made me laugh every day for years. Love you lots. Have a great night ❤️
• Happy 21st Birthday, @Today I am celebrating you. You are so young and so wise, so happy and so free…Today is the first day of the rest of your life. I hope you have a marvelous year, filled with happiness.
• Happy 21st birthday. May it be filled with a little adventure, little love, and maybe a touch of sadness.
• Snapchatters are more than twice as likely to watch TV shows exclusively on Snapchat.
• Happy 21st Birthday, Son! We love you to the moon and back. 🌚 💜
• You look good, and so do you.
• This year has been synonymous with growth, education, and meeting new people — looking forward to what will be in store for my next year!
• It’s never too late to turn into a professional you. You only fail if you stop trying.
• Here’s to another year. May this year – your 21st birthday be the best year so far! Happy Birthday!. #21 #birthday
• Happy 21st Birthday, @earla.e 👯 Turn another year older, but never change who you are. Enjoy your night! #earla21
• ___ Happy 21st to me 🍒! How the time flies. . . #21 #21stbirthday #21isthebestyearofmylife
• “The best portion of a good man’s life,” —William Shakespeare. Happy 21st birthday (red cup) (heart emoji)
• Have you taken your #21stbirthdaychallenge yet? It’s time to party. Happy 21st birthday, @jimjamjoe! We love you!
• You just turned 21, and we want to be the first to wish you a happy birthday! 🎂 #21stbirthday #birthdaygirl
• May your first 21 years be only the beginning. Happy Birthday! 🙂 #21st #happybirthday
• Happy Sweet 21st to my sweetheart! Thank you for the love and laughs, for my family and friends, and for being the best general manager, a girl could ask for ❤️🎉
• Happy 21st to our youngest-looking founder @kristin_shiroishi 🥳
• Happy birthday to my boyfriend of 4 years.
• Make a change to look better, feel better, and live better with your 21st photo.
• Happy 21st birthday to my best friend,” she captioned the stunning photo of her posing with the singer. “You’re my role model and the most incredible person I know. I’m beyond lucky to have you in my life.”
• Make it a good one ✌🏻 #21 #21stbirthday #21stbirthdayinvite
• Here’s to the best year yet 🎂 #Happy21stBirthday
• Oh 21, you look good on me. 🎉 #birthdaygirl
• Have a birthday as dramatic and memorable as you are.
• 21 years ago today, your mom and I thought you’d bring us one thing: joy. That you’ve brought us so much more is beyond our wildest dreams 💙 Happy birthday, Jordan! We love you #1 grandson 😘
• For my 21st birthday, a friend surprised me with a trip to this awesome place 🌴
• Happy 21st Birthday, Tequila 🍷
• Here comes the future. Happy 21st! -Bill Murray’s character in the film Groundhog Day
• 1 0 1 Happy 21st Birthday, my sweetheart. Enjoy your new chapter!!!
• Happy 21st birthday to my bestest friend in the whole wide world. I would not be where I am today without you being there for me through thick and thin. Here is to our next 21+ years together. #birthdaygirl #besties
• Happy 21st Birthday to the most amazing human I’ve ever met. I love you for a long time. #prouddad🤰🏼 #happybirthday #throwback ##
• Happy 21st Birthday to the best girlfriend anyone could ever ask for. You are an inspiration and have brought so much love and joy into my life. Here’s to celebrating you, girl!
• Turning 21 with the girl and my crew. To the good life 🍾🎉☀
• Happy Birthday to my favorite bestie. Our friendship is like a glass of wine, getting better with every pour. Happy Birthday, Babe!.
• Happy 21st. Here’s to the best year yet! We’re so very proud of you. 🎉🍾🎂
• Etiqueta Negra Cabinet Selection 🔥 @elpanchobc ❤️ #partywithpanama
• Let’s have an amazing night tonight, and party like it’s… wait for it … *insert age*!
Hashtags for 21st Birthday on Instagram
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• #21stbirthday #happybirthday #21yearsold #21yearsyoung #twentyone #birthdaygirl #celebrations #celebrate #celebration #partyhard #partytime #birthdaygirl #birthdayphotos #birthdaycelebration
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