The Symbolism & Appeal Of Green Dresses: Trend History 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 intensity of Keira Knightley Green Vintage Evening Dress in Movie Atonement Celebrity Dress TheCelebrityDresses 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 The green dress which Keira Knightley wore in this movie has been named "the best of all time" by InStyle Magazine, exceeding some classics as Audrey Hepburn's little black dress in Breakfast at