Paris Hilton turns twenty-seven next week. We hear that the hotel heiress will celebrate leaping one step closer to thirty during a wild weekend in Vegas with the Pussycat Dolls. Paris is set to appear as a burlesque dancer and honorary Pussycat Doll at the Pussycat Doll Lounge in Caesar’s Palace. Paris will then head on over to Sin City hotspot PURE to dance celebrate the passing of another year.