LOS ANGELES (AP) — America proved its Bieber Fever was strong: The teen singer dominated the American Music Awards on Sunday night.
Bieber's wins included the show's top award, artist of the year.
The singer's mom joined him onstage as he collected the top award. He looked to his mom: "I wanted to thank you for always believing in me."
He said it's "hard growing up with everyone watching me" and asked that people continue to believe in him.
The 18-year-old also won favorite pop/rock album for "Believe" and male artist.
He performed two songs at the award show, one stripped and another upbeat with Nicki Minaj. As Bieber won his second award, he was kissed on the neck by Jenny McCarthy, who presented the award.
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
Artist, Latin: Shakira
Artist, contemporary inspirational: tobyMac
Artist, electronic dance music: David Guetta