Word is that on Sunday night, Kanye West and Jay Z got into a screaming match backstage at London’s Wireless festival in the UK.

According to eyewitnesses, Kanye was scheduled to close the show and he wanted to bring Jay Z out with him. But Jay wanted to close the show himself.

The two reportedly got into a “heated” screaming match which ended with Jay Z leaving the arena without performing.

You knew it was only a matter of time before these two competitors clashed.