Last Night's Look: Love It or Leave It?Nicole's ab-baring gown! Lupita's ab-baring dress! See all the creative ways stars are baring their skin, plus more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

RUMER WILLIS

From leather to lace, the young star picks out a one-shoulder cream gown with a tulle skirt that shows a sliver of tummy for the Hollywood Domino and Bovet 1822 Gala in West Hollywood.