What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Robin Williams' untimely passing hit a lot of people hard, even those that never knew him.
And it turns out he had special significance to the man who followed in his footsteps.
After Tuesday night's performance, James spoke to the audience about what Robin's work meant to him, then led the crowd in an a cappella version of Friend Like Me.