Christina Milian and her bodyguard were at a nightclub in Hollywood when a crazy woman wearing shorts and a bra met the business end of the bodyguards fist.

According to TMZ, A woman wearing only a bra and shorts went after a bodyguard protecting Christina.  The bodyguard face palmed  her away (Jay Z style) and that's when the craziness started.

Nobody knows who the woman is or why she was upset but the whole thing was caught on video.