Hollywood actor Charlie Sheen confirmed his ex-wife, Denise Richards, has taped an appearance for his forthcoming sitcom, \"Anger Management.\" The former couple wed in 2002 and divorced in 2006. They are the parents of two daughters. \"Incredible day on the set of #AngerManagement!\" Sheen said on his WhoSay account Friday. \"What\'s better than having @DENISE_RICHARDS on the set?!? Not much.\" Set to air on FX, the show is expected to be a comeback vehicle Sheen, who was fired last year from his sitcom \"Two and a Half Men\" for drug use, erratic behavior and rude remarks he made about series creator Chuck Lorre. It is based on a 2003 film starring Jack Nicholson and Adam Sandler. Richards guest starred on \"Two and a Half Men\" when Sheen was the show\'s lead. Sheen has been replaced on \"Two and a Half Men\" by Ashton Kutcher.