Katy Perry set many a Britney Spears fans OFF after she made what felt to most like a cruel joke about Britney's past mental health issues. Britney took to Twitter to politely respond with a Bible verse, questioning the intention in Katy's heart. Katy has not addressed the controversy she caused, but we want to know what you think about this situation. Was it a harmless joke, or should Katy take ownership for her words? Let us know what you think in the comments section below.