Best Instagram Caption Ideas
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21st Birthday Captions for Instagram
Captions for the most iconic birthday milestone
1
21 and finally legal everywhere.
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Cheers to 21 years of excellence.
3
Twenty-one never looked so good.
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I waited 21 years for this drink.
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21: the year everything changes.
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Sip, celebrate, slay — welcome to 21.
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Life of the party, 21 edition.
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Age 21: loading unlimited adventures.
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The world didn't know what it was in for.
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21 candles and I blew them all out.
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Born to stand out — 21 years of proof.
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Here's to 21 more years of this.
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