Presenter Jenny McCarthy kisses Justin Bieber as he accepts the award for favorite pop rock album at the 40th American Music Awards in Los AngelesReuters 
Singer Carly Rae Jepson performs at the 40th American Music Awards in Los AngelesReuters 
Christina Aguilera performs at the 40th American Music Awards in Los AngelesReuters 
Usher performs at the 40th American Music Awards in Los AngelesReuters 
Pink performs at the 40th American Music Awards in Los AngelesReuters 
Taylor Swift performs at the 40th American Music Awards in Los AngelesReuters 
Actor Eric Stonestreet presents the award for favorite country female artist to Taylor Swift at the 40th American Music Awards in Los AngelesReuters 
Kesha performs "Die Young" at the 40th American Music Awards in Los AngelesReuters 
Justin BieberReuters 
Cyndi Lauper introduces the performance by Kesha at the 40th American Music Awards in Los AngelesReuters 
Nathan Sykes of The Wanted performs at the 40th American Music Awards in Los AngelesReuters 
Kelly Clarkson performs a medley of songs at the 40th American Music Awards in Los AngelesReuters 
Usher accepts the award for favorite soul R&B male artist at the 40th American Music Awards in Los AngelesReuters 
Nicki Minaj accepts the award for favorite rap hip hop album at the 40th American Music Awards in Los AngelesReuters 
Luke Bryan accepts the award for favorite country male artist at the 40th American Music Awards in Los AngelesReuters 
Gwen Stefani of No Doubt performs at the 40th American Music Awards in Los AngelesReuters 
Justin BieberReuters 
Carly Rae JepsenReuters 
Chester Bennington of Linkin Park performs at the 40th American Music Awards in Los AngelesReuters 
Lady Antebellum accept the award for favorite country band duo or group at the 40th American Music Awards in Los AngelesReuters 
Nicki Minaj performs at the 40th American Music Awards in Los AngelesReuters 
Pitbull performs at the 40th American Music Awards in Los AngelesReuters 
Pitbull and Christina Aguilera perform at the 40th American Music Awards in Los AngelesReuters 
Carrie Underwood performs at the 40th American Music Awards in Los AngelesReuters 
Swizz Beatz, Chris Brown and Ludacris perform at the 40th American Music Awards in Los AngelesReuters 
“So remember, this is Bieber’s world. You’re just living in it. Bieber or die.”Reuters 
Nicki MinajReuters 
Carrie Underwood accepts the award for favorite country album at the 40th American Music Awards in Los AngelesReuters 
Stevie Wonder performs during a tribute to Dick Clark at the 40th American Music Awards in Los AngelesReuters 
PSY: This Korean rapper’s journey to success is rather wacky. His "Gangnam Style" music video went viral and climbed to No. 1 on radio stations and went on to beat Justin Bieber as the most played video on YouTube. He also performed the song at the American Music Awards.Reuters
Teen pop star Justin Bieber stole the show at the 40th American Music Awards 2012 (AMA) on Sunday night, walking away with three awards including the top award - Artist of the Year - beating Drake, Maroon 5, Katy Perry and Rihanna.
Justin Bieber bagged awards - Artist of the Year, Pop/Rock Favourite Male Artist and Pop/Rock Favourite Album for "Believe".
[PHOTOS OF CELEBRITIES AT AMERICAN MUSIC AWARDS 2012]
Other artiste, who walked away with multiple awards, was rapper Nicki Minaj. She bagged two awards - Favourite Rap/Hip-Hop Artist and Favourite Rap/Hip-Hop Album.
The other winners at the AMA 2012 include Taylor Swift - country female artist, Rihanna - Soul/R&B album, Katy Perry - pop/rock female artist, Carly Rae Jepsen - new artist of the year, Maroon 5 - pop/rock band, duo or group and Adele - Adult contemporary artist.
Here is the complete list of the winners at the American Music Awards 2012:
[PHOTOS OF CELEBRITIES AT AMERICAN MUSIC AWARDS 2012]
Artist of the Year: Justin Bieber
New Artist of the Year: Carly Rae Jepsen
Favourite Male Artist - Pop/Rock: Justin Bieber
Favourite Album - Pop/Rock: Justin Bieber - Believe
Favourite Male Artist - Country: Luke Bryan
Favourite Female Artist - Country: Taylor Swift
Favourite Band, Duo or Group - Country: Lady Antebellum
Favourite Album - Country: Carrie Underwood - Blown Away
Favourite Artist - Rap/Hip-Hop: Nicki Minaj
Favourite Album - Rap/Hip-Hop: Nicki Minaj - Pink Friday: Roman Reloaded
Favourite Male Artist - Soul/R&B: Usher
Favourite Artist - Alternative Rock: Linkin Park
Favorite Artist - Electronic Dance Music (EDM): David Guetta
Favourite Female Artist - Pop / Rock: Katy Perry
Favourite Band, Duo or Group - Pop / Rock: Maroon 5
Favourite Female Artist - Soul/R&B: Beyonce
Favourite Album - Soul/R&B: Rihanna, Talk That Talk
Favourite Artist - Adult Contemporary: Adele
Favourite Artist - Latin: Shakira
Favourite Artist - Contemporary Inspirational: tobyMac
