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Paris Hilton

Albert Michael/startraksphoto.com

Paris Hilton, card sharp? Who knew.

The hotel heiress rang in her 31st birthday in style on Friday, and judging by the events of that night in Las Vegas, we think we know what she wished for as she blew out all her candles: a date with Lady Luck.

Later that night, Hilton took time out from celebrating to announce on Twitter that she'd won $30,000 while playing blackjack.

Some girls have all the luck. And the money.

"Just won 30k playing blackjack at @WynnLasVegas!" the year older and wiser luckier star tweeted early Saturday morning. "#Yes! #BirthdayGirlsLuck! I love gambling! :D"

She wasn't shy about sharing her excitement throughout the night.

"#YES! #Winning! #Huge! #VegasBaby!"

The night before her winning spree, she celebrated at XS nightclub, where in addition to her sister Nicky Hilton, Wiz Khalifa was among the revelers.

"@RealWizKhalifa, last night as sick! What a party! Happy we all got to celebrate together! #GoodTimes," she tweeted, later adding, "Best birthday ever."

We can see why. Happy birthday, Paris!