Katy Perry has quit ‘American Idol’. The 39-year-old pop star has served as a judge on the hit ABC talent show since 2018 and is currently preparing for her seventh season searching for the next big name in music alongside Lionel Richie and Luke Bryan but has revealed that this time round will be her last because she wants to get back to her own performing career. Speaking on ‘Jimmy Kimmel, Live!’ on Monday (12.02.24) evening, she said: “Well, you know, this fall, this September, I’m going to be doing this huge music festival in Brazil called Rock in Rio. It’s really exciting. It’s a big deal …