Last Night's Look: Love It or Leave It?Keri Russell's plunging neckline, Natalie Portman's summery white dress and more star style on the red carpet. Check them out and vote – fashion-forward or fashion fail?

NATALIE PORTMAN

Looking straight out of a Miss Dior ad, the face of the brand poses in a summery white Christian Dior dress comprised of a structured top and a flowy sheer skirt, plus black accessories, at the Miss Dior exhibition in Shanghai.