Last Night's Look: Hit or Miss?

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

EMMA WATSON

Bringing Harry Potter and the Half-Blood Prince stateside, the British actress dons a black piped sheer Christopher Kane sheath dress and a fringed 3.1 Phillip Lim clutch for a stop at the Late Show with David Letterman.

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