From one girl boss to another! Carrie Underwood made her debut as Katy Perry‘s replacement on American Idol during the Season ...

Carrie Underwood made her debut as Katy Perry‘s replacement on American ... and Bryan watching contestants sing in Los Angeles, New York, and Nashville. Those who they deemed talented enough ...

Katy Perry was a judge on ‘American Idol’ for seven years until she announced she was leaving the singing competition in ...

Rebecca Black will be joining Katy Perry on her Lifetimes Tour starting from May, the singers have confirmed. It comes after ...