Kat Dennings & Josh Groban Hit First Vanity Fair Oscar Party Together

Kat Dennings goes green at the 2015 Vanity Fair Oscar Party held after the 2015 Oscars on Sunday night (February 22) in Beverly Hills, Calif.

The 28-year-old actress was joined by her boyfriend Josh Groban.

PHOTOS: Check out the latest pics of Kat Dennings

This was the first time that Kat and Josh have attended the huge star-studded party as a couple.

The day before, Kat had something else on her mind, besides from the award show.

“My next endeavor is to open my romantic seafood restaurant, ‘That’s A Moray’,” Kat tweeted.

FYI: Kat is wearing a Gemy Maalouf gown.

10+ pictures inside of Kat Dennings and Josh Groban at the Vanity Fair Oscar Party…