Cate Blanchett to play Lucille Ball in new biopic

Cate Blanchett is set to play Lucille Ball in a new Amazon film.

The Australian actress will star as the late American comedienne in a biopic entitled Lucy And Desi.

The script has already been written by Aaron Sorkin - famous for The West Wing, A Few Good Men and The Social Network.

The project is still seeking a leading man to play Ball's husband Desi Arnaz.