1/6 The Imitation Game star Keira Knightley wears a dress by Giambattista Valli. 2/6 Actress Laura Haddock. 3/6 Julianne Moore wears a gown by Tom Ford. 4/6 French actress Lea Seydoux and Monica Bellucci. 5/6 Big Eyes star Amy Adams wears a Lanvin gown. 6/6 Model Laura Bailey wears a gown by Emilia Wickstead.