Singer-songwriter Katy Perry shares how she feels about Carrie Underwood replacing her as a judge on the reality show 'American Idol,' praising Underwood's experience and insight into the competition.

Katy Perry left American Idol behind, and there was speculation that things were not good between her and her co-stars behind the scenes. She last worked as one of the show’s three judges, along with ...

California Gurls singer Katy Perry revealed if she has stayed in touch with American Idol judges Lionel Richie and Luke Bryan ...