Jay Z & Solange Ain't No Beatdown Like a Family Beatdown

TMZ TV
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Jay Z found himself in a hand-to-hand combat sitch when Beyonce's sis, Solange Knowles exploded on him in an elevator -- all while Bey stood by like nothing at all was happening.

It's totally insane video of two sisters -- one crazed, one calm -- and one dude on the defensive.

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