Make your Instagram posts iconic with these fun and flirty 21st birthday captions. From cheers-ing to your new legal drinking age to roasting your friends for still being underage, we've got you covered with sassy, silly, and sweet captions for turning 21.

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Looking for the best Birhtday party ideas? This post is all about 21st birthday ideas you can copy!

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Things to Do On Your Birthday : Birthdays are always special for anyone, so this birthday plan out few distinct and unique things to celebrate it. Down

Dive into the enchanting world of my 22nd birthday celebration! 🎀✨ Immerse yourself in the glamour of a ribbon-themed soirée, accompanied by the chic vibes of Gossip Girl audio. Aesthetic delights await as I embrace the dark elegance of turning 22. 🖤✨ #AestheticBirthday #RibbonTheme #GossipGirlVibes #DarkAesthetic #22ndBirthday #BirthdayVlog #PinterestParty #ChicCelebration #GlamorousMoments

Your 21st birthday is a big deal and one that is worth celebrating. Here are 100+ 21st birthday captions to use to make that post even more engaging