Thomas Rhett and Kelsea Ballerini will return for a second year of co-hosting CMA Fest, the three-hour special that brings highlights from the annual festival to a national television audience. Filmed during Nashville's annual CMA Fest form June 7-10, the TV special will feature dozens of country stars as they hit the stage each night during the four-day event. This year will mark the 15th consecutive year of the broadcast, which is set to air on August 8 at 8 PM ET on ABC.