Katy Perry's Preacher Parents Attend Singer's Tour Despite Disagreeing With MusicBy Christine Thomasos, Christian Post Reporter CommentSinger Katy Perry performs during her 4-day tour "Katy Perry - Witness World Wide" at Ramon C. Cortines School of Visual and Performing Arts in Los Angeles, California U.S., June 12, 2017. | (Photo: REUTERS/Mario Anzuoni)