Knightley replaces Johansson in song film

New York: Actress Keira Knightley has replaced actress Scarlett Johansson in director John Carney`s new movie ‘A Song Can Save Your Life’.

Johansson was slated to show off her singing skills on the big screen in the film, opposite actor Mark Ruffalo, but she has pulled out of the project, reports a website.

The film is about a struggling singer, where Knightley`s singer character arrives here looking for love and meets a washed-up record producer.