Colbie Caillat
Singer Colbie Caillat arrives at the 40th American Music Awards in Los AngelesReuters

Like any other award functions, the 40th American Music Awards 2012 (AMA) held on Sunday night was not just about giving away the awards but also about fashion with glamorous celebrities grabbing the attention of the onlookers with their style statements on the red carpet.

Carrie Underwood to Christina Aguilera to Taylor Swift to Colbie Caillat looked stunning in sexy outfits.

[GLAMOROUS CELEBRITIES AT AMERICAN MUSIC AWARDS]  

Teen pop star Justin Bieber grabbed all the limelight at the 40th American Music Awards, winning three awards including the top award - Artist of the Year - beating Drake, Maroon 5, Katy Perry and Rihanna. He also bagged Pop/Rock Favourite Male Artist award and Pop/Rock Favourite Album award for "Believe".

Rapper Nicki Minaj 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 winners at the 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

[GLAMOROUS CELEBRITIES AT AMERICAN MUSIC AWARDS]