Peter Bart, Marlon Wayans, Keenen Ivory Wayans, Peter Guber and Shawn Wayans. Keenen Ivory Wayans celebrated his 46th birthday today on the set of AMC's popular Hollywood talk show, "Sunday Morning ShootOut" in Los Angeles. Keenen was there with brothers Marlon and Shawn to chat with hosts Peter Bart and Peter Guber about their upcoming release, "White Chicks." The show airs Sunday, June 20 at 11 AM (ET/PT) on AMC. During the interview, the brothers revealed that the inspiration for the film came after they saw a magazine cover of the Hilton sisters. © WireImage.com