1 of 5
2014 CMA Festival
Invision Miranda Lambert, left, and Carrie Underwood perform during the CMA Fest at LP Field on Friday, June 6, 2014, in Nashville, Tenn. (Photo by [Wade Payne/Invision/AP)
2 of 5
2014 CMA Festival
Invision/AP Hunter Hayes performs during the CMA Fest at LP Field on Sunday, June 8, 2014, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)
3 of 5
2014 CMA Festival
Invision Jason Aldean and Travis Tritt perform during the CMA Fest at LP Field on Friday, June 6, 2014, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)
4 of 5
2014 CMA Festival
Invision Miranda Lambert performs during the CMA Fest at LP Field on Friday, June 6, 2014, in Nashville, Tenn. (Photo by [Wade Payne/Invision/AP)
5 of 5
2014 CMA Festival
Invision Tim McGraw performs during the CMA Fest at LP Field on Thursday], June 5, 2014, in Nashville, Tenn. (Photo by [Wade Payne/Invision/AP)
