The Civil Wars have been added as performers at the Grammy Awards on Sunday (Feb. 12), while Reba McEntire will serve as a presenter. The Civil Wars are nominated for two Grammys -- best country duo/group performance for "Barton Hollow" and best folk album for Barton Hollow. McEntire has won two Grammys -- one for "Whoever's in New England" and the other for "Does He Love You" with Linda Davis. Previously-announced country performers include Taylor Swift, a duet with Jason Aldean and Kelly Clarkson, Glen Campbell's collaboration with The Band Perry and Blake Shelton, and Carrie Underwood's duet with Tony Bennett. In addition, Dierks Bentley, Lady Antebellum and Miranda Lambert were previously announced as presenters.