Keira Knightley's 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 with its So freaking iconic The emerald green silk dress Keira Knightley wears in Atonement became a cinematic legend not just for its beauty but for the intention behind it. Costume designer Jacqueline Vintage 1960s Empire Waist Wedding Gown Long Sleeve Detached Train Size Small Etsy A dress so iconic the original went missing! , Keira Knightleys emerald silk gown in Atonement wasnt just the green dress it was the moment. Custom dyed, cut on the bias, and so delicate it tore Empire waist wedding dress with sweetheart bust line