Jelly Roll was joined by Lainey Wilson, Marshmello, Public Enemy and others for a star-studded benefit concert to support the first responders who battled the recent wildfires in Los Angeles. On Saturday night (Feb.

Jelly Roll has played a benefit concert in Los Angeles for first responders who helped tackle the California wildfires with the star taking to the stage alongside acts including Lainey Wilson, Marshmello,

Jelly Roll wasn't the only music star who wanted to thank L.A. first responders at the Rose Bowl Saturday night ... he brought some superstar pals with him too -- like Lainey Wilson, Marshmello and Flavor Flav.