Solange Knowles.
Solange Knowles attacked her sister's husband in a lift after the Met Gala.Reuters

Fans were shocked after footage emerged online showing Beyoncé's sister attacking Jay Z in a lift after the Met Gala.

In the 50-second CCTV video obtained by TMZ, the brother and sister-in-law can be seen in a violent altercation while Beyoncé stands by and does nothing.

The clip shows Knowles punching and kicking the rapper after what appears to be an exchange of words.

Although it is not known what caused the attack, social media is already abuzz with hilarious memes as well as possible explanations about the incident.

One fan believes that their relationship will never recover.Twitter

Beyonce enlists the help of Olivia Pope to help sort out the PR nightmare.Twitter

Jay Z, Solange
One user superimposed Solange and Jay Z's unto a screenshot taken from the infamous Sharkeisha fight.Twitter