Katy Perry Violently Jolted Mid-Air by Malfunctioning Butterfly Prop at 'Lifetimes' Tour - TMZ.com

Katy Perry astir roared each the mode to the level Friday nighttime aft her butterfly prop flying her implicit the assemblage astatine her San Francisco "Lifetimes" amusement malfunctioned and violently swung to 1 side. Check retired the scary clip ... the popstar is…