Well we can't say we're surprised...
[Image via JLN Photography/WENN.]
Too bad J.Law isn't there to join in! Or is she..?
She isn't. Sorry, yeah, that was not cool of us to imply. LOLz!
Ch-ch-check out the video (above) to hear J.Lo's side of the infamously embarrassing J.Fail story - and to see the long-awaited dance!