Katy Perry Just Can't Party Like She Used To

Letting go of being No. 1, Katy Perry finds her 'Smile

Katy Perry accused of bullying 'American Idol' contestant: 'Not gonna go far

Katy Perry and Orlando Bloom: a timeline of their relationship

Katy Perry, Miley Cyrus kiss during Los Angeles 'Bangerz' concert – New York Daily News

Katy Perry on Conquering Vegas With a Show Combining Pee-Wee and Liza

Katy Perry - Birthday (Official)

Katy Perry – Hot N Cold Lyrics

Taylor Swift and Katy Perry's Complete Friendship and Feud Timeline

Katy Perry Called Fiancé Orlando Bloom Her 'Boyfriend'—and People Can't Stop Laughing

Katy Perry Hints at a Possible Taylor Swift Collab

Katy Perry and Taylor Swift End Long-Time Feud With Plate of Cookies

Katy Perry Cries on American Idol for Shooting Survivor: U.S Failed Us! Perry Yelled 'Our Country Has F—ing Failed Us!' After School Shooting Survivor's 'American Idol' Audition Leaves Her in Tears: 'This

Why Katy Perry & Rihanna Are No Longer Friends

Singer Katy Perry sells rights to her music catalogue for $225m

John Mayer claims he still listens to his 2013 duet with ex-girlfriend Katy Perry