Jay Z Attacked By Beyonce’s Sister Solange Knowles

Ooops The Met Galadidn't end well for the Knowles-Carter clan. In an elevator surveillance video obtained by TMZ, Beyonce's younger sister Solange Knowles is seen kicking and swinging at her brother-in-law, Jay Z. While Beyonce remains in the far corner of the elevator, her bodyguard Julius can be seen separating what seems to be a very passionate, very physical fight.
Throughout, Jay does not retaliate at a heated Solange what do you think could have cause the fight??
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