Katy Perry Performs 'Roar' at VMAs

Katy Perry closed out the VMAs with a knock-out performance. The pop star set up a boxing ring under the Brooklyn Bridge while performing her empowering single “Roar.” She and her dancers stayed on their toes during the energetic set, which ended with her winning the championship belt.

She also announced that Juicy J will appear on “Darkhorse,” a new song set to drop on September 17. Her album Prism will follow on October 22.

Watch her pack a punch on stage.