What goes on in Vegas most certainly will NOT stay in Vegas here!
Watch it go down (below)!!!
Remember when he dashed split rumors by taking her whip for a spin back in February??
The Notebook star was snapped at the 57th San Francisco International Film Festival for his flick White Shadow sporting a necklace prominently featuring the name Hugo…
Which is the moniker of his girlfriend's adorable pup!
The beautiful Belgian Malinois' name was tucked close to his heart, meaning the duo is still together—but extremely private.
[Image via Getty Images.]