Country music superstar Jelly Roll recently had a career-defining moment when he performed alongside Eminem at the Live From Detroit concert. This unexpected collaboration left Jelly Roll speechless, as Eminem's team reached out to him for the surprise performance. The duet, featuring Jelly Roll singing the chorus and hook of Eminem's song, was a dream come true for the singer. Despite trying to keep his composure on stage, Jelly Roll couldn't contain his excitement and described the experience as "the coolest moment ever." Now back in Nashville, Jelly Roll is focused on his upcoming album, which he promises will showcase his most serious and prolific work yet. Fans can catch Jelly Roll and other performers at the upcoming CMA Fest airing on ABC.