Katy Perry has something to say about Carrie Underwood replacing her as a judge on American Idol.

Carrie Underwood will make her judging debut on the upcoming season of American Idol — but some longtime viewers will not be ...

Carrie Underwood got emotional in the trailer for Season 23 of American Idol. Underwood — who came under fire for performing ...

Katy Perry has plenty of faith in Carrie Underwood as she prepares to take the wheel on American Idol. After it was announced ...

Katy Perry is sharing how she really feels about being replaced by Carrie Underwood on American Idol.

American Idol' recently teased Carrie Underwood's judging debut and fans are going crazy in the comments section.

American Idol' Season 23 producers are allegedly in the 'worst-case scenario' with fans after Carrie Underwood's inauguration ...

In a new promotional video premiering exclusively with PEOPLE on Monday, Jan. 27, fans get a glimpse at the contestants who ...

Carrie Underwood’s "American Idol" debut is filled with tension and nervousness, following her performance at Trump's ...

American Idol alum Katy Perry shared her thoughts on past winner Carrie Underwood replacing her as judge on the singing competition series, which airs March 9 on ABC.

Katy Perry recently commented on Carrie Underwood joining American Idol to replace her role as a judge. Here’s what she said!