Keira Knightley Looks Leafy

Keira Knightley (in Chanel Haute Couture) attends the premiere of her latest period piece, The Duchess, at The Public Theater on Wednesday in New York City.

The 23-year-old English actress, who accessorized her look with GINA peep-toe pumps and a simple Bulgari ring, was accompanied on the red carpet by her handsome costar Dominic Cooper and Vogue editor-in-chief Anna Wintour.

The Duchess opens in limited release on Friday, Sept. 19.

20+ pictures inside of leafy Keira Knightley…