31-year-old British actress Keira Knightley has been announced as the new face of Chanel Fine Jewellery. While models including Sigrid Agren and Jac Jagaciak have previously filled the role, Knightley has long been one of Chanel and Karl Lagerfeld’s go-to It girls; Knightley is already the face of Coco Mademoiselle and the Rouge Coco make-up collection. Knightley will star in the upcoming Coco Rush ad campaign directed by legendary fashion photographer Mario Testino. Knightley.