The "Teenage Dream" singer, 40, welcomed a few concertgoers on stage during her Lifetimes Tour stop at the Little Caesars Arena in Detroit on Sunday, Aug. 3, and after one of them collapsed on the ground in a startling moment, Perry stayed by her side to ensure she was safe.

After recent on-stage scares for artists like Katy Perry and Beyoncé, fans in Beverly Hills give their opinions on whether they should be more careful about doing stunts on stage. Leah LaRosa: Did you guys see BlackPink and Jenny on stage?

Katy Perry’s latest stop on her Lifetimes Tour took a dramatic turn. Perry, 40, picked out a handful of young fans from the audience to join her band for a rendition of “The One That Got Away” during her Sunday,