Snooki doesn't turn 23 until Tuesday -- but last night in NYC, she celebrated with a big bash!

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Snooks, aka Nicole Polizzi, got her party on with her parents, boyfriend Jionni LaValle, "Jersey Shore" cast mates Jenni "Jwoww" Farley and Deena Cortese, Jonathan Cheban, Sean Kingston & Kat DeLuna.

Sean Kingston was on hand to sing "Happy Birthday" to the little reality star, according to TMZ.

Check out all the red carpet pics!

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