'Cash Me Outside' Girl Didn't Get Beat Up, Her Butt Proves It

Danielle Bregoli says there is one obvious reason she's NOT the girl who's getting beat to a pulp in a viral video ... and it's all about the victim's butt.

It's not hard to understand the confusion -- Danielle and the punching bag in the video do look extremely similar. It's unclear where the video was shot, but fact is "Cash Me Outside" has been here in Los Angeles.

We got her at LAX, and she explained why that ain't her getting dragged in the vid. As she puts it, size matters when you're talking booty and bodyguards.

Meanwhile, Danielle's look-alike is gonna have a serious headache ...