But one thing does remain unanswered -- how did Caitlyn pick her name?
Paris Hilton knows how to party!
The socialite won 30,000 big ones while celebrating her birthday in Sin City at Wynn Casino.
Paris continued the birthday bash with sis Nicky as
boyfriend Afrojack DJ'ing XS Nightclub.
What an "EPIC" night for Paris!
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[Image via WENN.]