Jason Aldean, Carrie Underwood Reign Supreme at Second Annual American Country Awards

Jason Aldean topped the second annual American Country Awards, which aired on Fox live from Las Vegas Monday.

He won six awards including artist of the year. "It's been a helluva year," Aldean said. Carrie Underwood took home three guitar trophies at the show, broadcast live from Las Vegas."I have got an amazing 2012 planned for you guys," she told the crowd. "We're going to have a lot of fun!"

Check out red carpet arrivals from the 2011 American Country Awards

Toby Keith was named the artist of the decade and received a special video introduction to his performance of "Red Solo Cup" from Stephen Colbert who — yes — raised his red solo cup to Urban.

Check out the full list of winners:

Artist of the Year, Jason Aldean

Male Artist of the Year, Brad Paisley

Female Artist of the Year, Carrie Underwood

Breakthrough Artist of the Year, Chris Young

New Artist of the Year, Scotty McCreery

Album of the Year, My Kinda Party, Jason Aldean

Single of the Year, "Voices," Chris Young

Single of the Year: Male, "My Kinda Party," Jason Aldean

Single of the Year: Female, "Mama's Song," Carrie Underwood

Single of the Year: Duo or Group, "Are You Gonna Kiss Me or Not," Thompson Square

Single of the Year: New Artist, " Are You Gonna Kiss Me or Not," Thompson Square

Single of the Year: Vocal Collaboration, "Don't You Wanna Stay," Jason Aldean Feat. Kelly Clarkson

Music Video of the Year, "Who Are You When I'm Not Looking," Blake Shelton

Music Video: Male, "Who Are You When I'm Not Looking," Blake Shelton

Music Video: Female, "Mama's Song," Carrie Underwood

Music Video: Duo or Group, "Don't You Wanna Stay," Jason Aldean Feat. Kelly Clarkson

Music Video: New Artist, "Are You Gonna Kiss Me or Not," Thompson Square

Touring Headline Act of the Year, Jason Aldean

Greatest Hits Award, Alabama

Artist of the Decade Award, Toby Keith