Having achieved major success on the stage and screen as a singer and as an actress, Beyonce, who starred in 'Dreamgirls', will be singing again on the big screen for her next big role as famed singer Etta James. While speaking to Cedric the Entertainer on his latest film, 'Welcome Home Roscoe Jenkins', he mentioned to blackfilm.com that Beyonce has been cast to play the legendary songstress on his next film, 'Cadillac Records'.