(November 19, 2012)—Justin Bieber Fever was strong as the teenage 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 mother joined him onstage as he collected the top award.

He looked to his mom and said, "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, Jenny McCarthy, who presented the award, kissed him on the neck.

Complete List Of AMA Winners

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