"FILE - This April 1, 2012 file photo shows country singer Luke Bryan at the 47th Annual Academy of Country Music Awards in Las Vegas. Bryan is joining Blake Shelton as co-host of the 2013 Academy of Country Music Awards on April 7. Bryan replaces Reba McEntire, who served as host for more than a decade before stepping aside to concentrate on her new sit-com ""Malibu Country."" (AP Photo/Isaac Brekken, file)"