American Music Awards 2011

Music’s biggest stars, from Nicki Minaj to Justin Bieber, walk the red carpet and take the stage at the Nokia Theatre in Los Angeles.

Justin Bieber gives girlfriend Selena Gomez a kiss as they arrive at the 2011 American Music Awards held at the Nokia Theatre L.A. LIVE in Los Angeles on Sunday, Nov. 20. Danny Moloshok / Reuters
KISS band member Gene Simmons and his wife, actress Shannon Tweed, show off their wedding rings as they arrive for the ceremony. The pair recently married after nearly 30 years together. Danny Moloshok / Reuters
Former "American Idol" contestant Adam Lambert arrives for the American Music Awards. Chris Pizzello / AP
Singer Nicki Minaj opened the show with her performance. Kevork Djansezian / Getty Images
Singer Justin Bieber performs "Under the Mistletoe." Kevork Djansezian / Getty Images
Actress Jenny McCarthy speaks onstage at the 2011 American Music Awards. Kevork Djansezian / Getty Images
Rocker Daughtry, who is a former "American Idol" contestant, performs. Kevin Winter / Getty Images
Jennifer Lopez performs "Papi" and her hit "On the Floor." Matt Sayles / AP
Singer Taylor Swift receives congratulations for winning the favorite country female artist award. Christopher Polk / Getty Images
Singer Katy Perry plays the guitar as she performs "The One That Got Away." Kevork Djansezian / Getty Images
From left, Michael Madden, James Valentine, Adam Levine, Jesse Carmichael and Matt Flynn of Maroon 5 pose for a portrait. The musicians won for favorite group. Michael Caulfield/Ama2011 / Getty Images
Singer performs in a glow-in-the-dark costume for his new single, "Hard." Kevork Djansezian / Getty Images
The first "American Idol" champ, Kelly Clarkson, performs her hit "Mr. Know It All." Kevork Djansezian / Getty Images
Singer Christina Aguilera performs at the 2011 American Music Awards ceremony. Frazer Harrison / Getty Images
Singer Chris Brown performs "All Back" and "Say It Wi th Me." Mario Anzuoni / Reuters
The final performance of the night came from, from left, David Hasselhoff, Internet star Keenan Cahil, and SkyBlu and DJ Redfoo of pop group LMFAO, with everyone stripping down to smiley-face underwear. Mario Anzuoni / Reuters