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One Direction's Liam Payne showed off his muscles — well, his muscles for the night anyway — while dressed like the buff Batman. The 19-year-old partied the night away at the Funky Buddha nightclub in London. (10/28/2012)

Celebs in disguise

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