Luke Bryan, right, kisses Ronnie Milsap as they perform at ACM Presents Superstar Duets in April in Arlington, Texas.
Luke Bryan, right, kisses Ronnie Milsap as they perform at ACM Presents Superstar Duets in April in Arlington, Texas. Chris Pizzello Invision/AP
Luke Bryan, right, kisses Ronnie Milsap as they perform at ACM Presents Superstar Duets in April in Arlington, Texas. Chris Pizzello Invision/AP