FILE - In this April 6, 2014 file photo, Miranda Lambert performs on stage at the 49th annual Academy of Country Music Awards at the MGM Grand Garden Arena, in Las Vegas. Lambert leads the 2014 CMT Music Awards with six nominations. The show airs live from Nashville's Bridgestone Arena on Wednesday, June 4, 2014 at 8 p.m. ET. (Photo by Chris Pizzello/Invision/AP, file) ( Music-CMT Awards )