Rodney Atkins and Dolly Parton at ACMs

April 16, 2008 8:09:05 AM PDT
Rodney Atkins, Dolly Parton and Carrie Underwood are among the country stars lined up to perform.

The May 18 show will be telecast live on CBS from the MGM Grand Garden Arena on the Las Vegas Strip.

Atkins is nominated for six awards, including top male vocalist. He was named top new male vocalist at last year. Underwood is nominated for top female vocalist.

Parton has won eight ACMs in her career. She is currently promoting her latest album, "Backwoods Barbie," a return to mainstream country.