Eminem took the stage and surprised fans and those who attended Post Malone's "Big Ass Stadium Tour” concert in Detroit Sunday night. (📹: Adam Graham, The Detroit News grahamorama) Jelly Roll brought out Eminem during his performance at Ford Field on Sunday night, surprising the sold-out crowd of more than 40,000 during his opening set at the show. The Detroit rapper joined Jelly on a rendition of "Lose Yourself," popping out on stage during the song's second verse. Link in bio. 🔗 #DetroitNews #Eminem #JellyRoll #detroitrap