Usher and Chris Brown acquired right into a heated argument final night time — which apparently led to some form of a scuffle that acquired violent exterior … and TMZ has video of the lead-up to that.

Try this footage that we obtained, which we’re advised was taken very early Saturday morning on the Skate Rock Metropolis curler rink in Vegas … the place CB was celebrating his thirty fourth birthday amongst numerous celeb friends, together with Usher — with whom he is extremely shut.

Whereas Usher and co. sang to Chris earlier within the night when all the things was nice, issues sadly acquired ugly within the wee hours of the morning … when eyewitnesses inform us Chris was trying to speak to Teyana Taylor, who was additionally in attendance and sitting on a bench simply exterior of the rink. We’re advised, for no matter purpose, Teyana was ignoring him.

Our sources inform us this pissed Chris off, and he began to yell at her … and that is when Usher intervened and tried to calm him down. You’ll be able to see that in our video right here.

We’re advised Chris wasn’t having it, cursing at Usher and Teyana — however then, principally focusing his anger immediately at Usher. Ultimately, our sources say Chris advised his crew they have been leaving they usually exited the power. We’re advised Usher took off his skates and went after them.

Our eyewitness — who says they have been current for this — tells us they noticed Usher go behind a string of constitution buses that have been parked within the lot … the place Chris and his crew have been at. We’re advised a short while later, Usher emerged with what seemed to be a bloody nostril.

Unclear if he went to the hospital, or if a police report was filed. We have reached out to Vegas Metro — however have not heard of something even remotely resembling this being referred to as in.

In the meantime … Usher, Teyana and Chris have all been radio silent this morning — with none of them having mentioned a factor but to verify or deny a report initially put out by Hollywood Unlocked, which broke the information of a battle between the 2 R&B superstars/associates.