Keira Knightley Same Style Green Vintage Evening Dress in Movie Atonement, Green S The Story Behind Keira Knightley's Emerald Green Slip Dress From 'Atonement' British Vogue The green dress which Keira Knightley wore in Atonement (2007) has been named the best of all time by InStyle Magazine. Exceeding some classics as Audrey Hepburn's little black dress in Breakfast Keira Knightleys emerald green dress in Atonement (2007) has become one of the most iconic costumes in film history. Designed by Jacqueline Durran, the silk gown perfectly captured 1930s elegance Victoria Beckham Reimagines Keira Knightley's Iconic 'Atonement' Green Dress For Gigi Hadid Obsession in Green The Atonement Dress Closet Core Patterns