Last Night's Look: Love it or Leave it?Check out the head-turning outfits Michelle Williams, Kristen Stewart and more stars were just spotted in! Then decide – fabulous or fashion fail?

DIANE KRUGER

Dripping in Jacob & Co. diamonds to accent her dazzling, feathered white-and-gold Marchesa gown, the actress goes for total glamour at a charity gala in Monaco hosted by the jewelry designer.