Katy Perry is putting everything ... In the next photo, the former American Idol judge wears a light orange semi-sheer sequined cut-out dress over her bikini as she walked along a pathway outdoors.

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

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

American Idol alum Steven James is not impressed with Katy Perry’s new single — and he’s not holding back his critique. "This can’t be the same person who eliminated me on American Idol 5 ...