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

Although Katy Perry is best-known for frothy, off-the-walls pop music, the Billboard Hot 100 topper opened her Thursday (Jan.

Katy Perry feels confident in the future of American Idol, even if she's no longer a part of the show. The pop star shared ...

Katy Perry is planning her first Oklahoma City show this spring ... until 10 p.m. Thursday, Jan. 30, through the Citi ...

The “Firework” singer announced last year that she was leaving the ABC singing competition after seven seasons to embark on her “Lifetimes” tour.

Katy Perry is bringing her first tour in 7 years to Footprint Center in Phoenix. The Lifetimes Tour is in support of the “143 ...

Katy Perry is psyched that daughter Daisy is coming on her Lifetimes world tour, but told Jimmy Kimmel she's horrified by the toddler's favorite song.

Katy Perry is scheduled to perform at Baltimore's CFG Bank Arena on August 15, as part of her upcoming The Lifetime's Tour, ...

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.

Tickets for the "Lifetimes Tour," including the Boston concert, will go on sale for the general public on Friday, Jan. 31 at ...