Music News Justin Bieber, Katy Perry, Ke$ha to perform at American Music Awards 10/27/2010 Justin Bieber, Katy Perry and Ke$ha have signed up to perform at next month's 2010 American Music Awards show in Los Angeles, organizers said. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Christina Aguilera Lady Gaga Katy Perry P!nk Usher Justin Bieber Eminem
