Dierks Bentley, Kenny Chesney, George Strait and Gretchen Wilson have been added as performers at this year's CMA Awards. Bentley is nominated for male vocalist. Chesney is up for entertainer, male vocalist, album and single of the year. Strait will be inducted into the Country Music Hall of Fame during the telecast. Wilson is the reigning CMA female vocalist and is nominated in the category again this year. She's also nominated for vocal event of the year with Merle Haggard. Previously announced performers include Brooks & Dunn (who will host the event), Sara Evans, Alan Jackson, Brad Paisley, Rascal Flatts and Carrie Underwood.