Idris Elba and Ali Larter in ObsessedOBSESSED

A Fatal Attraction without the slow-cooking rabbit - and, strangely, without the adultery - the Steve Shill thriller Obsessed reaches its raison d'être in the final reel, when Beyoncé Knowles' wronged wife stands off against Ali Larter's vixen from hell, and the pop star hisses, "I knew it would come to this." So did we all, Beyoncé. But did it have to come so late?