The Best Green Dresses On Film From 'Atonement' To 'La La Land' British Vogue The most iconic dress in film history. The emerald green dress is iconic for more than its beauty. Designed by Jacqueline Durran to feel fluid and almost dreamlike, it captures the Outfits of Atonement: Keira Knightley wears Satin Green Dress to play Cecilia Tallis in the movie Spotern The Woman in Green The Arthur Conan Doyle Encyclopedia