Last Night's Look: Love It or Leave It?We can't stop talking about Kim Kardashian's abs-baring dress, Duchess Catherine's Jenny Packham gown and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

NATALIE PORTMAN

Her last Dior ensemble didn't win you over, but we have a feeling this black number by the fashion house, covered in orange and yellow sequin flowers and accessorized with Charlotte Olympia sandals for the Paris premiere of Thor: The Dark World, will get a lot of love.