Whoa, now THIS is a surprise!
Jennifer Lopez surprised everyone at Radio City Music Hall on Saturday night when she joined her ex, Marc Anthony, on stage during one of his three performances at the historic venue!
Related: J.Lo Thought She'd Be With Marc Anthony Forever!
This, of course, after breaking up with Casper Smart earlier this week — so of course, EVERYBODY took note!!
The pair sang together briefly on stage and looked like they were really enjoying themselves!
We sure know the crowd went absolutely nuts for them, too!
Ch-ch-check out video of the surprise (below)!!!
Video: J.Lo Fangirls Over Adele!
And here's more from another angle (below):
Love a good surprise!!
[Image via Dan Jackman/Johnny Louis/WENN.]
Tags: breakups, casper smart, duets, jennifer lopez, love line, marc anthony, music minute, new york, news, radio city music hall, surprise performance