Cate Blanchett is attached to star as Lucille Ball in an authorized biopic that Aaron Sorkin will write.

Sorkin has not started working on the script yet, but, according to sources, he’s the top choice to pen the project for Escape Artists.

The film will center on the life of the iconic actress, who starred on TV sitcoms I Love Lucy, The Lucy–Desi Comedy Hour, The Lucy Show, Here’s Lucy and Life with Lucy. She was nominated for 13 Emmys and won four times, and she also won the Golden Globe Cecil B. DeMille Award in 1979. She was married to actor Desi Arnaz from 1940 to 1960.

The couple’s children, Lucie Arnaz and Desi Arnaz Jr., will produce the film along with Escape Artists. Jenna Block will oversee the project for Escape Artists.