Last Night's Look: Hit or Miss?

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

ANNE HATHAWAY

Pulling out all the stops, the Nobel Peace Prize Concert co-host steps out in a chiffon show-stopper by Oscar de la Renta for a celebratory banquet dinner in Oslo, Norway.