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Paris Hilton, River Viiperi

October 28, 2012: Paris Hilton and her boyfriend River Viiperi leaving a Halloween Party held at The Playboy Mansion in Beverly Hills, California. Mandatory Credit: INFphoto.com Ref.: infusla-34|sp|

Celebs in Disguise

Stars including Christina Aguilera, Ryan Seacrest, Julianne Hough, and Kim Kardashian get into the Halloween spirit.