Chris Brown Succeeds In Grossing Everyone Out

Even that girl. Her knee will never be the same again!
We kid, we kid … maybe.
Ladies, if you ever wondered what kind of moves Chris Brown pulled to get down with Rihanna, we might have the answer for you here.
Check out this video (above) from Chris’ recent concert in Detroit. He brought one lucky (?) fan onstage to have her moment with him, but it was her knee that got all the action!
Aaaand eww!