Katy Perry triumphs during concert at Chase Center, despite technical difficulties and overblown stage production.

Pop star Katy Perry brings the Lifetimes tour to Rogers Arena in Vancouver on July 22.

The pop superstar was flying on a giant mechanical butterfly around Chase Center in San Francisco when it unexpectedly jolted ...

Preparing to perform a bittersweet song, Perry told a crowd attending her “Lifetimes” tour that she would “try and hold my ...

Katy Perry and opener Rebecca Black took the stage to a sold-out crowd at Anaheim’s Honda Center on Sunday, July 13.