“Watch What Happens Live,” telling Andy Cohen that plans were discussed with Shawn Wayans.Marlon Wayans revealed in late June that his brother and “White Chicks” co-star Shawn Wayans came up with the idea to make the film — centered around two FBI agents who go undercover to protect a hotel heiress from a kidnapping plot — after looking at pictures of the Hilton heiresses on a magazine cover.“Funny story one day my brother @therealdjsw1 calls me at 3am saying ‘Marlon we should play white