Last Night's Look: Hit or Miss?

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

CLAIRE DANES

Highlighting her toned figure, the actress slips into a red-carpet-sweeping Narciso Rodriguez gown accented with a panel of peekaboo fabric for the Vanidades 50th anniversary celebration in N.Y.C.