Kenny Chesney introduced a special guest to the stage during his tour stop in South Carolina: his mom. The country music superstar posted a few photos from his most recent show on Friday morning (April 28), including a photo with his mom and fellow East Tennessee native Kelsea Ballerini. “A moment with mom last night in Greenville, South Carolina. Mom came on stage last night to sing with me and Kelsea Ballerini. Such a special moment,” Chesney wrote in his caption. Chesney is currently on his headlining ‘I Go Back Tour,’ which continues through late May. What is the most special moment that you’ve seen happen at a concert?