FULL Video Of Jay Z Attacked By Beyoncés Sister Solange via YouTube Capture.\r
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Beyoncés sister Solange Knowles attacks Jay Z in a shocking TMZ video and we found out why she punched him. Subscribe! Starring .\r
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Watch The Original Video By TMZ.com Here .\r
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Jay Z was ferociously assaulted by Beyonces sister Solange . who was wildly kicking and swinging at him inside an elevator . and the attack was captured on .