This shocking CCTV footage has been released today by TMZ. The footage shows Beyonce Knowles sister going crazy and attacking Jay Z, punching, slapping, hitting and kicking him in a lift.
The surveillance video was taken during an after party of this months Met Gala.
Scroll down for footage.
A body guard presses the emergency stop button and tries to move Solange (the sister) away from the rapper. At the moment there is a lot of speculation why this happened. Rumours are surfacing that Jay Z has been cheating on his wife, Beyonce. According to Radar Online, there could be a number of reasons behind the attack.

Reason 1 – This week former miss Belgium, Claudia Scheelen claimed that Jay Z spent a night flirting with her and buying her champagne. She told the UK’s Mirror “He told me ‘I have been all over the world but the girls in Antwerp are the pretties girls'”
Reason 2 – Although Jay Z and Adult film star Jazmine Cashmire fiercely denied rumours that he got her pregnant in 2010, friends told the National Enquirer that he had paid her off by giving her $2.5million to stay quiet.
Reason 3 – Jay Z is a mentor for some beautiful young women including Rihanna and Rita Ora. Being so close to these stars has sparked rumours of his infidelity over the years.
See the footage below.