LMFAO Close the 2011 American Music Awards with Justin Bieber, David Hasselhoff and Will.i.am

Will.i.am Debuts New Single “T.H.E. (The Hardest Ever)” with Jennifer Lopez at the 2011 AMAs

Drake Performs “Headlines” at the 2011 American Music Awards

Justin Bieber Performs “Mistletoe” at the 2011 American Music Awards

Maroon 5 Performs with Christina Aguilera and Gym Class Heroes at the 2011 AMAs

Katy Perry Performs “The One That Got Away” at the 2011 American Music Awards

Kelly Clarkson Performs “Mr. Know It All” at the 2011 American Music Awards

Chris Brown Performs “All Back” and “Say It With Me” at the 2011 American Music Awards

Mary J. Blige Performs “Mr. Wrong” at the 2011 American Music Awards

Pitbull and Marc Anthony Perform “Rain Over Me” at the 2011 AMAs

Jennifer Lopez Performs with Pitbull at the 2011 AMAs

Enrique Iglesias Performs with Ludacris at the 2011 American Music Awards

Nicki Minaj and David Guetta Open the 2011 AMAs with “Turn Me On” and “Super Bass”

2011 American Music Awards Red Carpet Arrivals: Justin Bieber, Selena Gomez, Jennifer Hudson, Katy Perry, Taylor Swift, Miguel and More [PHOTOS]

Rihanna Talks Being Single, Booty Calls and How She Likes Aggressive Men on “The Ellen DeGeneres Show”

Big Sean Responds to Ludacris Diss Track “Badaboom”

Nelly Parties with T.I., Lance Gross, Miguel and More for His 37th Birthday in Atlanta [PHOTOS]

Jay-Z, Justin Timberlake, Jessica Biel, Jimmy Fallon and More Attend GQ Magazine “Men of the Year” Party [PHOTOS]

Rihanna Performs “We Found Love” on The X Factor USA and UK

Lady Gaga Likes to Pee in Trash Cans

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