The dance duo is astonished at some of Perry's risque concert routines and tour merchandise, and has slammed her for wearing her notorious 'cream-shooting' bra.
They are adamant the I Kissed a Girl hitmaker should be more responsible around her young audience and blame her for "sexualising" youngsters.
Singer Alice Glass tells NME magazine, "I think a lot of (pop stars) sell sex to children. I think a lot of kids are more sexualised now than they were years ago and I'm not sure it's a coincidence. Like f**king Katy Perry spraying people with her f**king d**k, her f**king c** gun c**ming on f**king children. And little girls, like six-year-old girls wearing a shirt with 'I wanna see your (pea) cock' on it."
Keyboard player/producer Ethan Kath says, "On the merch (merchandise) for that (Perry) song Peacock, the 'Pea' is on a different line so you don't see it. She sells it to f**king children."
Glass adds, "It's f**king evil. Don't prey on vulnerable people like that. Don't encourage little girls to get dressed up, to have cupcakes on their t**s to get people to lick them off, 'cos that's what you're insinuating."