Seven-time Emmy Award winner Betty White and her posse of senior pranksters are back for season two of "Betty White's Off Their Rockers," with an all-star line-up of guest stars helping to deliver big laughs. Joining White for comedy bits in the new season will be Psy, Howie Mandel, Nicole Richie, Kim Kardashian, Steve O, Nick Lachey, NeNe Leakes, Ed Asner and Nick Cannon. Also appearing in entertaining skits with Betty will be "Real Housewives of Beverly Hills" Adrienne Maloof, Camille Grammer and Kyle Richards, along with Bob Harper. White earned an Emmy nomination as Outstanding Host for a Reality or Reality-Competition Program in season one of the NBC series. Now she's back for more laughs, and her fearless band of senior citizens continue their mission to execute cleverly-crafted pranks, resulting in priceless reactions captured by hidden camera.