Katy Perry turned down $20 million payday Tue-28-Aug-12 09:55 Share this 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 Jay-Jay murders Katy Perry's 'Birthday' in Headphone Karaoke Jay-Jay, Mike & Dom's Rude Awakening - Zara gets woken up by the Auckland Brass Band playing Katy Perry! Edge listener Adrian faces his fear of cotton balls (yeeeep) to win his daughter Katy Perry tix! Become a fan of The Edge on Facebook and on Twitter .