"The Duchess" 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 struggles with societal expectations, her tumultuous marriage to William Cavendish, and her complex relationships, particularly with her close friend, Lady Elizabeth Foster. The story highlights themes of love, betrayal, and the constraints of aristocratic life. Georgiana is portrayed by actress Keira Knightley, and the film showcases lavish costumes and settings that reflect the opulence of the period. It provides insight into the challenges faced by women in a patriarchal society.