Katy Perry turned down $20 million payday Tue-28-Aug-12 09:55 Share this Tell Us What You Think WTF 0 LOL 0 FAIL 0 OMG 0 HOT 0 CUTE 0 ] By Jay-Jay Feeney"American Idol" offered Katy Perry $20 milliion to be a judge this season but she turned it down. (They are paying Mariah Carey $18 million.)Katy wasn't interested, and "money wasn't the issue." She couldn't fit it into her schedule, and didn't think that it was a good career move right now. You May Also Like 7 other celebrity diva moments Adele doubles up as U.S. chart leader Amy Winehouse's death made Katy Perry grateful for her husband Annah Mac covers 'Last Friday Night' Become a fan of The Edge on Facebook and on Twitter .