Last Night's Look: Hit or Miss?

Vote on this week's styles, including Katie Holmes, Diane Kruger and more stars! You decide – are they fashionistas or flops?

LAKE BELL

The funny lady turns seriously sexy in a body-baring black Cushnie et Ochs cocktail dress, Lena Erziak clutch, cap-toe pumps and M.C.L. by Matthew Campbell Laurenza jewlery at an L.A. screening of A Good Old Fashioned Orgy.