Beyonce Knowles will star alongside Idris Elba (American Gangster), and Ali Larter (Heroes, Resident Evil) in an upcoming thriller called Obsessed.

Queen B plays actor Idris Elba's wife in the new thriller that will hit theaters on April 24, 2009. Elba plays an asset manager who has a sexy office worker (Larter) stalking him.

Mathew Knowles will executive produce the film.