Last Night's Look: Hit or Miss?

Vote on this week's styles including Blake Lively, Rachel McAdams and more stars! You decide – are they fashionistas or flops?

KEIRA KNIGHTLY

The theater star shows off her Hollywood style in a black sequin minidress – complete with a girly rose brooch –under a warm wool coat and patent pumps outside after a performance of The Misanthrope in London's West End.