Katy Perry and Juicy J Perform 'Dark Horse' at Hollywood Bowl

Juicy J helped Katy Perry turn up during her show at the Hollywood Bowl on Wednesday. In celebration of the release of her album PRISM, the pop star headlined the “We Can Survive: Music for Life” charity concert with special guests Bonnie McKee, Ellie Goulding, and more.

During her set, she performed her hit “Roar” with Sara Bareilles and brought out the Stay Trippy rapper, who delivered his verse on their Dr. Luke-produced collaboration “Dark Horse.” Katy mouthed along to Juicy’s raps while he got the crowd hype.

Her album PRISM is expected to debut at the top of the charts next week.

Watch them bring the trap to the Bowl.