The reason why Solange attacked JayZ

Wendy Williams has explained what happened between Solange, Beyonce’s sister.

Solange had an argument with Jayz Rachael which she caught Jayz flirting with her, she earlier at the party exchange words with Racheal. As soon as they got into the elevator  she jump on JayZ attacked him not play that stupid  slick man mess game while walking with her sister (demonstrates by tapping her producer's butt to back claims he probably did something like squeeze Racheal's butt while holding and ignorant Beyonce) that explains why Beyonce was standing in the elevator.

Now look back in the day those offices were Damon Dash and Jayz. There were pretty girls and models then and it was alleged that Damon and Jayz would pass girls around up there.

Solange probably went to his face and told him something like" You're not going to do that with my sister right here. So as they walked out of the party and as soon as the elevator shut, she had him beat down. 

See Wendy show after cut....