Jelly Roll brought out surprise guest Eminem to perform 'Lose Yourself' during a tour stop in Detroit: 'If you can’t tell, that was a childhood dream come f---ing true.'

Around the same time, Jelly was also performing on the live Season 23 finale of "American Idol" on ABC, doing duets of his songs "Liar" and "Unpretty" with contestant Jamal Roberts.