[...]

When the group was escorted out of Boudoir, JC Chasez, former member of N’Sync, stepped in to help clean up the mess although he had no prior involvement with the scuffle.

“After the bouncers step in to drag them out, somehow a waitress got in the middle of it and got knocked on the floor and JC Chasez, [who was there separately from Rob], obviously felt really bad for her and went over to pick her up and make sure she was OK.” [source]