Solange, Jay-Z Elevator Fight As Beyonce Watches [VIDEO]: Cheating scandal ensues after Solange goes crazy on brother-in-law

A video of Solange Knowles kicking, punching, and screaming at Jay-Z has hit the net and gone viral. The incident apparently occurred at The Met Gala at the Standard Hotel last weekend after Solange, Beyoncé, and Jay-Z stepped into an elevator with 1 bodyguard.

In the video obtained by TMZ, Beyoncé appeared calm and alone in the video until her sister, Solange stepped in followed by Jay-Z. The younger sister of the "Diva" singer began screaming and attacking the rapper who attempted to push her off until security grabbed her as Beyoncé calmly watched the fight ensue.

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After the fight the trio walked out of the hotel as security escorted Beyoncé and Solange into one vehicle as Jay-Z entered another.

Yikes!! What was that about?