Later in the show, Perry asked concertgoers to join her in a brief prayer after the young fan was removed on a stretcher.

The "I Kissed a Girl" singer, 40, led concertgoers in a prayer after the scary moment, which occurred during Sunday night ...

Katy Perry rushed to a fan’s aid after the young girl collapsed while onstage with the US pop star. During the Detroit stop on her ongoing Lifetimes world tour, Perry, 40, brought a group of people on ...