An angry Christian mom recently confronted Katy Perry's father Keith, who's a preacher, and cussed him out for not being a better father.

Apparently the woman's son was "sent to hell" because he watched Katy's video for "E.T."....and that, of course, means KATY'S FATHER is to blame. (Sorry, but this kind of argument makes ME insane...if the woman's son watches something SHE doesn't think he should watch, isn't that HER responsibility, versus Katy Perry's FATHER's?)

For the record, Katy's dad remains calm, but he did say he felt like she was going to assault him.  I can't blame him...this woman was "passionate".

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