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.

Pop singer Katy Perry experienced a prop malfunction during her San Francisco concert. A butterfly-shaped stage prop tilted mid-performance while she sang 'Roar'. Perry held on, steadied herself, and continued singing.