Hailee Steinfeld in Prada and Mila Kunis in Alexander McQueen.
Lea Michele in Oscar de la Renta and Natalie Portman in Azzaro.
Julie Bowen in Catherine Malandrino and Julianna Margulies in Yves Saint Laurent.
Jayma Mays in Jenny Packham and Julia Stiles in Monique Lhuillier.
Eva Longoria in Georges Hobeika and Angie Harmon in Monique Lhuillier.
Photos by Jason Merritt/Getty Images North America