50+ Best 21st Birthday Captions for Instagram

21 is a major milestone birthday and you’re going to want to document every single moment on your social media. Whether you’ll be sipping cocktails with your crew or low-key hanging with your family, you’ll have plenty of memories to share on the ‘gram! Keep scrolling to find the best 21^st birthday captions for Instagram to pair with all your 21^st birthday memories:

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Best 21^st Birthday Captions

You are too busy planning your 21^st birthday bash to think about catchy captions! Copy and paste one of these best 21^st birthday captions on your big day:

• Hello, 21
• Cheers to 21 years!
• I’m 21 and fun
• 21 years of being fabulous
• Yes, you can always see my ID
• 21 looks good on me
• Time to make some pour decisions
• Blackjack!
• Season 21, episode 1
• Sip happens on your 21^st

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Captions for 21^st Birthday

Hit me with your best shot! Copy and paste these captions for your 21^st birthday this year:

• Card me, I dare you
• Achievement unlocked: 21
• Just here for the cake
• Sassy since [year of birth]
• Some nights should last forever
• Let the birthday festivities be gin
• Feeling real hoppy on my 21^st birthday
• There’s a thirst time for everything
• Who wants to see my ID?
• I’ve been pre-gaming 20 years for this moment

RELATED: 200+ Best Instagram Captions

via GIPHY

21^st Birthday Captions Instagram

Go shawty, it’s your birthday! Grab one of our 21^st birthday captions for Instagram tonight:

• Happy beer-th day to me
• On a scale of 1–10, I’m a solid 21
• Chapter 21
• On cloud wine
• Hakuna ma-vodka: it means no worries on your 21^st birthday
• Established in [year of birth]
• I’m 21 today, BRB gotta go get carded
• Chasing drinks and dreams tonight #21
• 21^st lap around the sun
• Making a wish for #21

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21^st Birthday Instagram Captions

Ready to PAR-TAYYYYY? We’ve got the best 21^st birthday Instagram captions to pair with your party pics:

• 21? Bring it on!
• I hope the birthday cake is as sweet as me
• Aging and raging
• I’m 21 and hot, buy me a shot
• RIP to my fake ID
• Act my age? OK!
• Today a queen was born
• I’m not getting older, I’m getting better
• “Throw some glitter, make it rain.” — Kesha, “Blow”
• Having a pitcher-perfect 21^st birthday
• Just because it’s legal doesn’t mean it’s a good idea

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21^st Birthday Wishes

Not sure what to caption your pics of a friend’s 21^st birthday? Use one of our 21^st birthday wishes:

• 21 and you’ve never looked better
• Helping this one ring in #21!
• You glow, birthday girl
• Today we say goodbye to our friend, your fake ID
• Happy 21^st to my BFF, I promise I’ll hold your hair back later!
• Don’t ever let anyone dull your sparkle. Happy #21
• Can’t wait to party with my favorite 21-year-old
• 21 trips around the sun, happy birthday!
• Facebook had some exciting news today, happy 21^st
• Looking like the best party favor