Katy Perry earned $25 million per season as a judge on 'American Idol' but turns out, Carrie Underwood didn't even come close ...

"I think Pink has been in the talks, Miley Cyrus has been in the talks, Meghan Trainor has been in the talks," Luke Bryan shared.

Will Carrie Underwood return after 'American Idol' Season 23? Here's what a source says about how she and the crew are uncertain.