Last Night's Look: Hit or Miss?

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

KATY PERRY

She might have called her new hair color an "#epicfail", but Katy's lavender lace outfit by Dior – and kitten ears! – is purrfect to promote her fragrance at Sears in Toronto.