Katy Perry experienced a frightening onstage mishap Friday night during her Lifetimes Tour stop at the Chase Center in San Francisco. While performing her hit song “Roar,” the pop star was seated atop a large butterfly-shaped prop that was designed to fly above the crowd.

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Katy Perry kept the show going in true pop star fashion when a midair prop malfunctioned during her concert in San Francisco on July 18. Fans watched as the singer, suspended above the crowd on a mechanical butterfly,