Last Night's Look: Hit or Miss?

Vote on this week's styles including Kim Kardashian, Taylor Swift and more stars! You decide – are they fashionistas or flops?

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KATY PERRY

Never one to shy away from fashion risk-taking, the singer tries out a peacock feather-printed dress from Matthew Williamson's H&M collection, a metallic clutch and iridescent Giuseppe Zanotti Design pumps for Paper magazine's The Beautiful People party in N.Y.C.