Justin Trudeau may not have shown up to this show but "The Lifetimes" tour was enthusiastically embraced by the singer's ...

As a kid who grew up on radio, Katy Perry was part of the soundtrack of my life. And, as the first female artist (second to only Michael Jackson) to achieve the record of having five number-one ...

Katy Perry is struggling to keep her bikini top up in the ocean while in Italy, but fans are weirded out by the photos.

With cotton candy shoes, era-defining hits and a wink to the past, Perry’s San Francisco show was both a celebration and a reinvention: glittering, theatrical and full of heart.

Matthew Perry's ketamine provider, Dr. Salvador Plasencia, pleaded guilty to drug distribution charges, expressing remorse and agreeing to surrender his medical license.

Katy Perry brought her “Lifetimes” tour to Climate Pledge Arena Monday night, where she went through 24 songs in a set that lasted well over two hours.

Katy Perry almost fell from a butterfly prop after it malfunctioned while she was flying over the crowd singing "Roar" during her concert in San Francisco on Friday (18 July).

Katy Perry powered through a midair prop malfunction during her concert in San Francisco, California, on Friday night.

WASHINGTON — Pop star Katy Perry suffered a scary mid-air prop malfunction while dangling high above the crowd during her "Lifetimes Tour" performance Friday night in San Francisco.