The lead singer of the group No Doubt made her cinematic debut in The Aviator.
Factory Girl is the story of a young woman (Sienna Miller) who quits Harvard to make her life in the New York fast lane. She meets, and soon becomes the muse of Andy Warhol. Stefani plays her roommate.
Stefani’s singer husband, Gavin Rossdale, will also have a small part in the production.