Carrie Underwood replaced Katy as a judge on ‘American Idol,’ but some fans miss the ‘Teenage Dream’ hitmaker. Find out why Katy left the show in 2024.

Carrie Underwood was the obvious pick to join the judging panel after Katy Perry's exit, according to 'American Idol showrunner ...

Katy Perry reteamed with Rebecca Black last night, and their joining forces is looking to last through Lifetimes — as in Perry’s so-named tour. Black, who appeared in Perry’s 2011 video for ...

"Katy was a huge cornerstone of 'American Idol' as far as a presence and a personality, so you can never replace her -- It's just a new era of the show," Michaels Wolflick said. Perry's departure ...