"Carrie Underwood, Lady Antebellum, Brad Paisley, Taylor Swift each won at American Music Award on Sunday night (Nov. 21) in Los Angeles."

Underwood is probably the best-known of the current crop of younger and more mainstream artists making a big impact on the world of country. 

"Underwood took the favorite country album award for Play On. In the other country music categories, Lady Antebellum claimed favorite band, duo or group, Brad Paisley won favorite male artist, and Taylor Swift earned favorite female artist."

via CMT : News : Carrie Underwood Among American Music Award Winners.