https://en.wikipedia.org/wiki/Katy_Perryhttps://www.latimes.com/local/lanow/la-me-ln-katy-perry-nun-20180311-story.html
https://www.theguardian.com/commentisfree/2026/apr/16/coachellea-middle-aged-festival-goers-justin-trudeau-katy-perry
https://en-academic.com/dic.nsf/enwiki/9903813/98541
https://people.com/left-shark-from-katy-perry-super-bowl-halftime-reflects-on-performance-exclusive-8779782