The host and nominees for the 55th annual Academy of Country Music Awards will be announced this morning (Thursday, Feb. 27th) via the ACM's social media accounts beginning at 8 a.m. ET, followed by the 55th ACM Awards Nominations Digital Press Conference at 8:30 a.m. ET. The ACM Awards will air live from the MGM Grand Garden Arena in Las Vegas on Sunday, April 5th at 8 p.m. ET on CBS.