Marc Anthony, Chris Brown and LMFAO to perform at 2011 AMAs

(CBS) Marc Anthony, Chris Brown and LMFAO will each perform at the 2011 American Music Awards on Nov. 20.

The three will join previously announced acts including Christina Aguilera, Justin Beiber, Mary J. Blidge, Kelly Clarkson, Katy Perry, Pitbull and Maroon 5.

The host-fee event will be broadcast live from the NOKIA Theater at L.A. Live on Sunday, Nov. 20, at 8 p.m. ET/PT on ABC.

For the fifth year, winners will be determined by online voting.

In addition to the show, the online pre-show "Coca-Cola Red Carpet LIVE! @ the 2011 AMAs" hosted by Lance Bass, Michael Buckley, Estelle, Sarah Hyland, Audrina Patridge, Josh Sussman and Xzibit, will stream live starting at 2 p.m. PT/ 5 p.m. ET.