Justin Bieber King of AMA's 2010

Justin Bieber owned the American Music Awards, as he is the king of youngest singer to win Artist of the Year adding that trophy to a haul that also included Pop/Rock Male, Breakthrough Artist and Album of the Year for "My World 2.0."

Taylor Swift Ditched Curl Hair to Sleek Bangs

Taylor Swift toned down curly hair to sleek with bangs and giving a mod look at American Music Awards 2010

2010 PHOTOS | Celebrity's American Music Awards

Rihanna

Miley Cyrus

Heidi Klum

Justin Bieber

Katy Perry

Ke$ha

Here listed some of celebrites at AMA's 2010 held at Nokia Theater, LA California

Celebrity 2010 | American Music Awards

Miley Cyrus with sexy mini dress trailing train

Ke$ha faux-hawk and liquid halter dress

Christian Chavez

Justin Bieber ; Performing at American Music Awards 2010

Sure, Justin Bieber is, technically, Canadian, but that didn't stop him from stealing the show at the 2010 American Music Awards.

The "Baby" sensation belted out a soulful, intimate rendition of "Pray" at tonight's ceremony at the Nokia Theatre in Downtown Los Angeles on Sunday, and also scored honors for Breakthrough Artist and Best Pop/Rock Artist, Male and Artist of the Year.

PHOTOS : "American Music Awards 2010", LA California

Kelly Osbourne and Rihanna backstage at the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California

Rachel, Suzanne Summers, and Tamara Barney at the 2010 American Music Awards, AMA's.

Willow Smith, Justin Bieber and Jaden Smith in the audience at the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California.

Members of the bands Backstreet Boys and New Kids on the Block arrive at the 2010 American Music Awards in Los Angeles November 21, 2010.

Singer Kesha arrives at the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California.

Actor/singer Christian Chavez attends the 2010 American Music Awards pre-party charity bowl tournament held at Lucky Strike Lanes at NOKIA LA Live on November 20, 2010 in Los Angeles, California.