The absolute best 21st birthday captions

Celebrate turning 21 with these Instagram captions that will make you stand out!

Facetune team
min read
Find the perfect captions for your 21st birthday

Congratulations — you made it!Your 21st year is when things really start to get interesting. I mean, you can now officially buy and drink alcohol, hit the clubs, and gamble at a casino. In fact, you can pretty much do anything you want to do. (Check you out!)Not to mention, you're an official adult. Well, you were classified as an official adult at 18, sure. But you can't get more legal than you are now at 21, right?That's why you're probably planning the biggest of big birthday celebrations. And of course, there will then be epic pics for the Insta, which means you'll need some 21st birthday captions that will make you pop out on someone's feed and compel them to send you warm wishes.In this regard, I've got your back, buddy.


How to Use These 21st Birthday Captions to Maximize Your Engagement

First things first, when it comes to birthday selfie captions for Instagram, choose one that best aligns with the photo or video that you want to post. For example, a selfie where you’re looking cute and serious would make more of an impact against a sentimental caption. Likewise, a silly pose would express your personality the most when teamed with a witty caption.Either way, add relevant hashtags to maximize the reach of your post and attract more likes, comments, and followers. You could even use the photo in a video montage and post it on TikTok to leverage your audience on multiple platforms and get more engagement. It's a win-win.Cheers to that!


Succinct 21st Birthday Captions for Instagram

  • 20 + 1.
  • Here’s to 21!
  • 21 circles around the sun.
  • Chapter 21.
  • 21 and all the fun!
  • This is 21.
  • Finally 21.
  • 21 and legal.
  • Twenty-fun.
  • Wanna see my ID?

Fun 21st Birthday Captions for Instagram

  • Life's a gamble, so it's time to roll the dice.
  • Drinks are on me.
  • Today we celebrate me.
  • Warning: It's my 21st birthday!
  • Old enough to know better and young enough to get away with it.
  • 21 never looked so good.
  • 21 and fabulous.
  • Always been a savage, now I'm 21.
  • Welcoming myself to the 21 club.
  • Cheers and beers to 21 years!
  • I'm enjoying tonight because adulting starts tomorrow.
  • I don't get older — I level up.
  • The most fun age in the universe — let's do it!
  • It's my 21st birthday! Pass the booze.
  • Even though I've been 21 for the past three years now that the bars don't know of, I guess I can celebrate it now. Cheers to 21 — I made it!


A post shared by Hunter Doty (@hunterdoty081)

Inspirational 21st Birthday Captions for Instagram

  • Every life is a story, so make yours a bestseller! At 21, I'm only just starting to write the chapters.
  • You only turn 21 once.
  • 21 and blossoming.
  • It takes 21 days to develop a habit, and 21 years to live life to the fullest.
  • 21 with my whole future ahead of me.
  • Smashed this milestone. Bring on the next one!
  • Here's to following all of the dreams as an adult that I came up with as a child.
Facetune team
Facetune Team
Experts in elevating your selfies and offering the latest beauty, lifestyle, and photo editing tips. Your go-to source for all things Facetune.

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