Katy Perry Goes Back To High School For Good Morning America! See Her AMAZING Birthday Performances HERE!
Good Morning America brought Katy to contest winners Lakewood High School for a one-of-a-kind Prism pep rally and birthday bash!
Ch-ch-check out the video (above) to see Katy give an amazing (and athletic!) performance as she teaches these kids how to Roar!
And ch-ch-check out Katy's inspiring interview and bonus performances …AFTER THE JUMP!!!