Keira Knightley star in film written by mother

British actress Keira Knightley has confirmed that she will be starring in a movie written by her mother Sharman Macdonald, namely “The Best Time Of Our Lives.”

The film is based on a true story of the relationship between Welsh poet Dylan Thomas, his wife Caitlin and his childhood friend Vera Phillips, with her husband William Killick.

Keira Knightley will star as Vera, while the movie will be directed by John Mabury. Mabury and Knightley had previously worked together in 2005 movie “The Jacket.”

Filming will begin early 2007, and the film is expected to be released in 2008.