Jenny McCarthy discusses grabbing Justin Bieber by the butt on stage at the 40th American Music Awards, while MC Hammer dishes on his collaboration with PSY.
Justin Bieber arrives at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP) 
Jenny McCarthy discusses grabbing Justin Bieber by the butt on stage at the 40th American Music Awards, while MC Hammer dishes on his collaboration with PSY.
