The buck stops here -- at least as far as going beyond a divorce is concerned.
[Image via FayesVision/WENN.]
Talk about a huge surprise!
Taking center stage at Madison Square Garden, Xtina sang a medley of New York, New York, On Broadway, and Empire State of Mind!
But the singer also shared the stage with Nas who surprised the crowd with a verse from N.Y. State of Mind!
And did we mention The Rockettes were rockin' out on stage too?
Ch-ch-check it out (above)!