LIVE with Kelly and Mark Season 21 Christina Applegate, “Dancing with the Stars” castoff Denise Richards and Maksim Chmerkovskiy Season 21, episode 149 Christina Applegate, “Dancing with the Stars” castoff Denise Richards and Maksim Chmerkovskiy March 26, 2009 43 min Previous episode Reese Witherspoon, Martina McBride Next episode Seth Rogen