"The Dutchess" is a historical drama film released in 2008, directed by Saul Dibb. It is based on the life of Georgiana Cavendish, the Duchess of Devonshire, who was a prominent figure in 18th-century England. The film explores her tumultuous marriage to William Cavendish, the Duke of Devonshire, and her struggles with societal expectations and personal desires. The story highlights themes of love, betrayal, and the constraints of aristocratic life. Keira Knightley stars as the titular character, delivering a performance that captures the complexities of Georgiana's character. The film also features Ralph Fiennes and Dominic Cooper in key roles, contributing to its rich narrative.