Well that's one way to steal the bride's thunder. You have to feel for this photographer who is more worried about halting the wedding than she is about herself. If you listen really closely you can hear the bride cursing the woman under her breath for ruining everything. (Just kidding...I think.) And let's all give it up for the guy at the end of the clip who laughs at the camera. He's pretty much saying, "Yep, this is going viral."
