Katy Perry used to protest outside Madonna concerts

- Last year, Katy revealed that her born-again Christian parents voted for Donald Trump.

- Katy, who started her career in gospel and christian rock music, told Vogue: “I miss references all the time. Amy Grant was our Madonna. We knew about Madonna and Marilyn Manson in my family because we picketed their concerts.”

- Katy and her family handed out "How To Find God" pamphlets