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

AMY ADAMS

Also at the Wantful: Art of Giving event, the actress glows in a purple-and-burgundy floral halter and nude heels (plus her favorite accessory: fiancé Darren Gallo).