Last Night's Look: Hit or Miss?

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

EMMA WATSON

After defecting to the dark side, Emma bids a fond farewell to Hermione in an Oscar de la Renta confection at the chic London premiere of Harry Potter and the Deathly Hallows: Part 2.