Katy Perry performs during 'Katy Perry - Witness World Wide' exclusive YouTube Livestream Concert at Ramon C. Cortines School of Visual and Performing Arts on Monday, June 12, 2017, in Los Angeles.
Katy Perry performs during 'Katy Perry - Witness World Wide' exclusive YouTube Livestream Concert at Ramon C. Cortines School of Visual and Performing Arts on Monday, June 12, 2017, in Los Angeles. John Salangsang John Salangsang/Invision/AP
Katy Perry performs during 'Katy Perry - Witness World Wide' exclusive YouTube Livestream Concert at Ramon C. Cortines School of Visual and Performing Arts on Monday, June 12, 2017, in Los Angeles. John Salangsang John Salangsang/Invision/AP