The California Gurls hitmaker was spotted in the crowd at Gaga's concert in Mexico City, Mexico on Sunday night. Shortly ...

Katy Perry loves sharing her woman’s world ... “Show was MAGINIFCA!” Perry wrote. “The dress! The sand! Every moment was theee moment.” “So proud of you and grateful to grow up ...

As she prepares to embark on her first world tour in seven years, Katy Perry needs ... star's must-haves for touring. Perry's snack choices in her green room are "really California crunchy ...

Katy Perry has been, uh, kinda busy. After launching her seventh album, 143, last year — complete with some srsly iconic looks — she's embarked upon a major side quest: going into space.

Katy Perry shared a sweet moment with her four ... to the edge of space on the all-female rocket mission. The California Gurls songstress paid a heartfelt tribute to her daughter in space ...