Justin Bieber

Justin Bieber was the big winner at the 40th anniversary American Music Awards. He received his second award for Favorite Pop/Rock Album for his latest album "Believe," and other two awards including Artist of the Year and Favorite Male Artist – Pop/Rock.

Nicki Minaj followed Justin received two trophies from Hayden Panettiere and 50 Cent including Favorite Rap/Hip-Hop Artist and Favorite Rap/Hip-Hop Album for Pink Friday: Roman Reloaded.

She dedicated the awards to her loyal devotees. "I love you so much, you are so passionate and so inspiring," said Nicki. "Thank you so much for voting your little tiny fingers off. I could just eat you and kiss you and love you and hug you."

Other winners at the AMAS are David Guetta, Beyonce, Maroon 5, Rihanna. See the full list of winners below.

American Music Awards 2012 Winners

Artist of the Year Justin Bieber

New Artist of the Year Carly Rae Jepsen

Favorite Male Artist – Pop/Rock Justin Bieber

Favorite Female Artist – Pop/Rock Katy Perry

Favorite Band, Duo, or Group – Pop/Rock Maroon 5

Favorite Album – Pop/Rock Justin Bieber – Believe

Favorite Male Artist – Country Luke Bryan

Favorite Female Artist – Country Taylor Swift

Favorite Band, Duo, or Group – Country Lady Antebellum

Favorite Album – Country Carrie Underwood – Blown Away

Favorite Artist – Rap/Hip-Hop Nicki Minaj

Favorite Album – Rap/Hip-Hop Nicki Minaj – Pink Friday: Roman Reloaded

Favorite Male Artist – Soul/R&B Usher

Favorite Female Artist – Soul/R&B Beyoncé

Favorite Album – Soul/R&B Rihanna – Talk That Talk

Favorite Album – Alternative Rock Linkin Park

Favorite Artist – Adult Contemporary Adele

Favorite Artist – Latin Shakira

Favorite Artist – Contemporary Inspirational tobyMac

Favorite Artist – Electronic Dance Music (EDM) David Guetta