Ashley Olsen & Justin Bartha: Art of Elysium 2010!

Ashley Olsen snuggles up to her boyfriend, The Hangover actor Justin Bartha, at The Art of Elysium‘s 3rd Annual Black Tie “Heaven” Charity Gala on Saturday (January 16) in Beverly Hills, Calif.

The evening before, the couple hit up a Golden Globes party hosted by T: The New York Times Style Magazine and Dom Perignon at Chateau Marmont.

The Hangover is Golden Globe-nominated for Best Comedy or Musical. They’re up against (500) Days Of Summer, It’s Complicated, Julie & Julia and Nine.

FYI: Ashley is wearing Alexander McQueen.