Keira Knightley Signs on for Another Period Piece

In order to become a member of the actor's guild, Keira Knightley must have signed an unusual contract that required her to star solely in period pieces.

Fresh off The Duchess (and Pirates of the Caribbean... and Atonement... Pride & Prejudice...), the actress has signed on for The Beautiful and the Damned.

As stated by The Hollywood Reporter, the movie will be directed by Nick Cassavetes (Alpha Dog, The Notebook). It will be based on the love story between writers F. Scott Fitzgerald and Zelda Sayre, as Knightley would portray latter role.

The film will focus on the Jazz Age icons Fitzgerald, famed for writing "The Great Gatsby," and Zayre known for living large until, of course, crashing hard