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

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

Rod Stewart, Katy Perry and Lady Gaga were just some of the famous faces who performed at FireAid on Thursday, a benefit ...

Get tickets to see the Katy Perry Lifetimes Tour at Chase Center in San Francisco, Kia Forum in Los Angeles area, Honda ...

The two-venue FireAid Benefit Concert was held in Los Angeles on Thursday night to help raise money for the Southern ...

Lance Bass and JC Chasez have an *NSYNC reunion for L.A. wildfire relief, plus Kate Middleton, Katy Perry and more. From New ...

Billie Eilish, Pink, Katy Perry, Nirvana and Dr Dre were among the stars who performed at FireAid on Thursday, a benefit concert in Los Angeles to help the area recover from two of the largest fires ...

Katy Perry’s onstage costumes are a masterclass in camp. Since popping off in 2008, she’s worn the most whimsical pieces, ...

Katy Perry shared what fans can expect from The Lifetimes Tour in an exclusive interview with E! News: "There might be a ...

Katy Perry, who just announced the U.S. leg of her upcoming Lifetimes Tour, exclusively told E! News how she and fiancé ...

P!nk, Joni Mitchell, and Lady Gaga were just a few of the highlights in a night that also featured a No Doubt reunion and the ...

Bruno Mars and Rose's “Apt.” earns the singer his eleventh leader on Billboard's Digital Song Sales chart, matching Katy ...