HOLLYWOOD - American Idol stars Carrie Underwood and Chris Daughtry were both triple threats at the American Music Awards in Los Angeles on Sunday.

Underwood claimed Country Female Artist, Favorite Artist and Country Album honors, while Daughtry's self-named rock act picked up Breakthrough Artist, Adult Contemporary Artist and Best Pop/Rock Album.

Meanwhile, Justin Timberlake was a double winner and it was also a big night for Beyonce, who became the first female to claim the AMAs’ International Artist accolade.

Only five other artists have claimed the rare prize--Michael Jackson, the Bee Gees, Rod Stewart, Aerosmith and Led Zeppelin.

The full list of winners is:

Breakthrough Artist - Daughtry
Country Band/Duo/Group - Rascal Flatts
R&B Male Artist - Akon
Pop/Rock Male Artist - Justin Timberlake
Soundtrack Album - High School Musical 2
Country Female Artist - Carrie Underwood
Adult Contemporary Artist - Daughtry
Soul R&B Album - FutureSex/LoveSounds by Justin Timberlake
T-Mobile Text-In Award for Favorite Artist - Carrie Underwood
Best Pop/Rock Album - Daughtry by Daughtry
Country Album - Some Hearts by Carrie Underwood
Hip-Hop Band/Duo/Group - Bone Thugs-N-Harmony
International Artist Award - Beyonce
Soul/R&B Female Artist - Rihanna
Pop/Rock Female Artist - Fergie

http://www.hollywood.com/news/Idol_Stars_Underwood_and_Daughtry_Are_Triple_Winners_at_AMAs/4994466