What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
If you weren't convinced by their quickie wedding, the twosome are SO in love that they don't even care who's watching when they share a passionate smooch.
Awwwww! Adam couldn't help heat up the cold streets of New York with a big wet kissing session and he even lingered to whisper sweet nothings into her ear.
With a bride as stunning as Leighton, it's obviously not easy for him to separate from her for even a few hours.
Here's to young, true love! *SIGH*
[Image via Ramey Pix.]