Winners of the 40th anniversary American Music Awards, presented Sunday at the Nokia Theatre in Los Angeles:

Artist of the year: Justin Bieber

New artist of the year: Carly Rae Jepsen

Pop/rock female artist: Katy Perry

Pop/rock male artist: Justin Bieber

Pop/rock band, duo or group: Maroon 5

Pop/rock album: Justin Bieber, "Believe"

Country female artist: Taylor Swift

Country male artist: Luke Bryan

Country band, duo or group: Lady Antebellum

Country album: Carrie Underwood, "Blown Away"

Rap/hip-hop artist: Nicki Minaj

Rap/hip-hop album: Nicki Minaj, "Pink Friday: Roman Reloaded"

Soul/R&B female artist: Beyonce

Soul/R&B male artist: Usher

Soul/R&B album: Rihanna, "Talk That Talk"

Alternative rock artist: Linkin Park

Adult contemporary artist: Adele

Latin artist: Shakira

Contemporary inspirational artist: tobyMac

Electronic dance music artist: David Guetta