Josh Duhamel has reportedly been brought on to replace embattled actor Armie Hammer opposite Jennifer Lopez in the upcoming movie "Shotgun Wedding." Hammer stepped down from his role in the movie after scandalous messages allegedly written by him were leaked.The messages, which he denies were his, feature graphic sexual fantasies as well as illusions to the notion that he is a cannibal. "Armie has requested to step away from the film and we support him in his decision," a spokesperson for the