What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Hmm.. but even though they're close together, they're either keeping it totally professional or something's grown colder in this relationship!
And seeing as how RyGos hasn't shied away from that sort of thing in the past (like his friendly interaction with Emma Stone at the Crazy, Stupid Love premiere), it certainly raises an eyebrow or two!!
Maybe it has something to do with their clashing views on makin' babies!
Then again… Bradley Cooper and the rest of the cast were in the mix this time around, so maybe that's why they're not engaging in the PDA.
Ch-ch-check out the rest of the photos (below) and give us UR expert pop-culture enthusiast's opinion!