Jesse Metcalfe Punched!

Apparently Jesse Metcalfe (Desperate Housewives) was talking to Taryn Manning at an LA night club last night. Her boyfriend, a wanna-be rapper from the UK comes out and sucker punches Jesse!

I'm confused though... If you watch the video, at first the two are friendly then all of a sudden a punch is thrown? Odd to say the least... anyway it's ZOMG!