According to TMZ. Jay Z and his sister In Law Solange had words and it was captured on surveillance video  According to sources, it all went down at a Met Gala after party last week at the Standard Hotel in NYC. Jay Z, Beyonce and Solange step into the elevator and then Solange goes crazy, screaming at Jay before unleashing a violent attack.

bodyguards had to hold Solange back, but she manages to connect at least 3 times.  At one point Solange throws a kick and Jay grabs her foot, but never attempts to strike her.  Beyonce stands by without getting physically involved.