dick clark productions (dcp) president and executive producer Orly Adelson announced that Christina Aguilera, Justin Bieber, Mary J. Blige, Kelly Clarkson and Maroon 5 will perform at the “2011 American Music Awards®“. They join previously announced acts including Katy Perry and Pitbull. Maroon 5 and Christina Aguilera will team up to perform “Moves Like Jagger.” In keeping with recent tradition, the “American Music Awards” is a host-free event that highlights music’s biggest artists performing on one stage.

The show will be broadcast live from the NOKIA Theatre L.A. LIVE on SUNDAY, NOVEMBER 20th (8:00-11:00 pm ET/PT) on ABC.  Tickets are now on sale (please visit www.ticketmaster.com or call 1-877-234-8425.). This year, ABC will air a live pre-show “Countdown to The American Music Awards” starting at 7:00 pm ET/PT. In addition, the online pre-show “Coca-Cola Red Carpet LIVE! @ the 2011 AMAs” hosted by Lance Bass, Michael Buckley, Estelle, Sarah Hyland, Josh Sussman and Xzibit will stream live for fans worldwide starting at 2 pm PT / 5 pm ET.

For the fifth year, winners will be determined by online voting. Fans can vote at the Coca-Cola AMA voting website, amavote.com, as well as AMA.abc.com. Artists will be honored in the categories of Pop/Rock, Country, Rap/Hip-Hop, Soul/R&B, Alternative, Adult Contemporary, Latin, and Contemporary Inspirational.  Fans can go to the official homepage of the “2011 American Music Awards,” AMA.abc.com, to find performer and presenter announcements, artist information, and more.