Katy Perry's Bold Statement About Carrie Underwood Replacing Her on 'American Idol'
Katy Perry has something to say about Carrie Underwood replacing her as a judge on American Idol.
Katy Perry Sings ‘California Gurls' While Waving State Flag at FireAid Benefit Concert
Although Katy Perry is best-known for frothy, off-the-walls pop music, the Billboard Hot 100 topper opened her Thursday (Jan.