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

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

Katy Perry is leaving American Idol in good hands. After the "Dark Horse" singer announced that season 22 of the singing ...

Carrie Underwood will make her debut as a judge on Season 23 of 'American Idol' — but some fans will not be tuning in.

The director explains his approach to covering five of the show's most infamous performances for the epic Ladies & Gentlemen.