What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Uh-oh, what will Kayne West have to say about this!?
In the well-timed snap, the She Came To Give It To You singer takes full advantage of the bootylicious view.
Kim's snug dress fit her assets perfectly so we're not surprised Usher took the opportunity to drink in Mrs.West's luscious curves.
We just hope Kayne doesn't lose his shizz over the pic!
[Image via Getty Images.]