Jay Z Slapped By Beyonce's Sister Solange Knowles [WATCH]

play Jay Z and Beyonce left separately after the brawl

play The trio left the elevator with no smiles

Jay Z was under attack by his wife Beyonce's younger sister, Solange Knowles as the trio departed the 2014 Met Gala after-party in New York last Monday.
A surveillance camera caught the 27 year old singer lashing out at her brother-in-law, 44, with her arms and legs flaring up while Queen Bey watched helplessly.
The famous family were in an elevator descending from a soiree that followed the annual fashion fest at the Metropolitan Museum of Art.
According to TMZ sources, Solange was screaming at her family member when the fight erupted. In the footage, a man who looks to be a bodyguard tries to hold Solange back but she manages to reach the rapper several times.
The cause of the fight is still under wraps but from the footage, Jay Z grabs her foot to block a kick but never attempts to retaliate.
Beyonce tried to muster a showbiz smile as the threesome left but then departed with her sister in a car while her husband left separately.

Watch the fight below:
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