Maroon 5, May J. Blige, Kelly Clarkson and Justin Bieber were added to the list of performers for the upcoming American Music Awards Monday, according to the organizers of the event, which will take place November 20th at the Nokia Theatre in Los Angeles.  The artists joing Katy Perry and Pitbull, who were announced last week.

Breakout British singer Adele, meanwhile, leads the pack in AMA nominations with four, and will battle Perry, Taylor Swift, Lady gaga and rapper Lil' Wayne for the coveted Artist of the Year honor.