35+ Best 21st Birthday Captions For Instagram and Facebook

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Turning 21 means a lot of things, now people realize that they have more freedoms and be able to make adult decisions.

So, if you are celebrating your 21st birthday, and looking to upload the special day pics on social media platforms, then you are at the right place, as we know without adding proper captions to these photos the task can’t be completed.

Here in this post share are some of the best 21st Birthday Instagram captions, just check it out.


21st Birthday Instagram Captions

  • Start from the bottom now I am 21
  • Cheers to 21 years
  • I can’t keep calm, it’s my 21st birthday
  • Hugs and kisses and a lot of birthday wishes
  • At 21 everything is possible and tomorrow looks friendly
  • Yes, I become 21
  • I’m just here for the birthday cake
  • Celebrating this special day, with all my favs
  • Time makes you bolder
  • Happy birthday dear self
  • Let’s get ready to party
  • Found my birthday crown
  • 21 looks pretty and good to me

Also Read: Best Hiking Instagram captions


  • Turning 21 today
  • The party don’t start till I walk in
  • Birthdays are like golf, much more fun if you don’t keep count
  • Happy birthday beautiful, may your day be as lovely, as you are
  • someone I love was born today
  • I’m not getting old, I’m getting better
  • Happy birthday to one cool chick
  • It took 21 years to get this awesome
  • keep calm and sweet 21 on 
  • Party girl, cheers, celebration
  • I see no reason to act my age
  • Sassy since birth
  • It’s your 21 birthday and its time to celebrate to the fullest
  • Born in ( put birth year), 21 years of being fabulous
  • It takes a long time to grow young
  • The best is yet to come
  • Not sure who is crazier

Funny 21st Birthday captions for Instagram and Facebook

  • I’m 21 now but age gives no guarantee on maturity
  • Finally 21, and legally able to do everything I’ve been doing since 15
  • 21 and legal proceed with caution
  • Eating my cake and wearing it too
  • On this day a queen/king born, happy birthday to me
  • Enjoy this day and don’t eat too much cake without me

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