Lupita Nyongo in Tom Ford Amy Adams in Valentino Couture Michelle Dockery in Oscar de la Renta Naomi Watts in Tom Ford Margot Robbie in Gucci Sofia Vergara in Zac Posen Jessica Chastain in Givenchy Haute Couture by Riccardo Tisci Jennifer Lawrence in Dior Olivia Wilde Julianna Margulies Kate Beckinsale in Zuhair Murad Reese Witherspoon