Last Night's Look: Hit or Miss?

Vote on this week's styles, including Kristin Cavallari, Cameron Diaz and more stars! You decide – are they fashionistas or flops?

CLEMENCE POESY

For the Paris premiere of Harry Potter and the Deathly Hallows: Part 2, the French beauty shows off the city's effortless chic in a shimmering top with a ruffled skirt and silver peep-toe platforms.