The rising country music star has seven nominations for the April 7 awards show in Las Vegas. Hunter Hayes is next with six nominations, followed by Taylor Swift and Miranda Lambert at five apiece.
Swift and Lambert are up for the academy's top honor - entertainer of the year - with Lambert's husband, Blake Shelton, Jason Aldean and Luke Bryan. Swift is going for her third straight win in that category.
Shelton and Bryan will co-host the broadcast, to air live on CBS from the MGM Grand.