It was all caught on surveillance camera, Solange was lashing out wildly at her brother-in-law, with both her arms and her legs, while her sister stood beside them looking curiously impassive.
The famous family were in an elevator descending from a soiree that followed the annual fashion fest at the Metropolitan Museum of Art.
Now it has emerged that just a few days later, Beyonce and her sister Solange made a getaway to Costa Rica, according to E! where they joined Kelly Rowland for her secret wedding.
UsWeekly report that Kelly's wedding was a 'quick, simple ceremony, only around 30 people, that took place on Friday according to their source.