Last Night's Look: Hit or Miss?

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

KEIRA KNIGHTLEY

The Children's Hour star looks the part in schoolboy-inspired separates, worn-in brogues and a Miu Miu saddle bag, leaving a performance at the Comedy Theatre in London.