Last Night's Look: Hit or Miss?

Vote on this week's styles including Reese Witherspoon, Maggie Gyllenhaal and more stars! You decide – are they fashionistas or flops?

KATY PERRY

Meow! The kitty-loving perfumer translates her feline fever to apparel, rocking a leopard-print chiffon dress by Pencey at the MTV World Stage press conference in Kuala Lumpur, Malaysia.