Carrie Underwood will sing at the Grammy Awards on Feb. 10 in Los Angeles. She is nominated for best female country vocal performance ("Before He Cheats") and best country collaboration with vocals ("Oh Love" with Brad Paisley.) So far, she is the only country artist confirmed to perform on the show. Other artists appearing on the Grammys include Beyoncé, Mary J. Blige, the Foo Fighters, Aretha Franklin, Rihanna and a reunion of the Time. The Grammys will air live on CBS.