14-Year-Old Jayna Brown Makes Katy Perry's 'Rise' Her Own on 'America's Got Talent' On Tuesday (Sept. 6) night's episode, 14-year-old Jayne Brown wowed the judges and audience with an impressive rendition of Katy Perry's inspiring single "Rise" during the second round of the show's semi-finals. "Can I be honest with you? It wasn’t great… It was incredible!” Simon Cowell said during his critique. “That was your best performance by a clear mile. What a contestant. What a performance in the semifinals, the week before the final. This is the performance I genuinely think people are going to remember you for.”