Last Night's Look: Love It or Leave It?We can't stop buzzing about Nicole Richie's sheer stunner, Charlize Theron's gold-embellished gown and these other outfits stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

ROONEY MARA

How many materials and textures can one woman wear? Rooney looks to break records in her Proenza Schouler dress, which combines pleather, silk, black-and-silver foil print and satin (on her Brian Atwood shoes) at the Her screening in N.Y.C.