We have a feeling Chris Brown didn't expect one of his guests to be SHOT when he decided to host a pre-VMA's party at 1Oak in Hollywood. In fact, the jailbird is still on probation, so he should probably try to stay away from trouble like this. His lawyer's gonna have to come up with a good story to tell the judge!

Check out Chris' reaction to what went down Saturday night (above video) after Death Row co-founder Suge Knight was shot multiple times and taken away in a police cruiser. AND, see what started the whole thing (below) -- The Game was denied entrance to the club and that's when the trouble started ...