During their June 16 set at Hellfest in Clisson, France, Mötley Crüe were joined onstage by Machine Gun Kelly for a performance of their collaborative track “The Dirt (Est. 1981).” You can see fan-filmed footage of that below. For those unaware, the song was written for the band’s biopic “The Dirt,” which finds Machine Gun…

During the kickoff date of Mötley Crüe’s stadium tour with Def Leppard, Poison, and Joan Jett at Suntrust Park in Atlanta, GA, the band were joined onstage by Machine Gun Kelly for a performance of their collaborative track “The Dirt (Est. 1981).” That song was written for the band’s biopic “The Dirt,” which finds Machine…