She may not get the same critical exposure like her acting colleagues, but she's certainly getting plum and starring roles. After co-producing and playing Etta James in 'Cadillac Records' for Sony BMG, Beyonce will switch gears and try another genre - thriller. According to Variety, Beyonce Knowles, Ali Larter and Idris Elba will star in "Obsessed," a thriller that Screen Gems will put into production this summer. Steve Shill will direct a script by David Loughery. Will ('Stomp The Yard ...