He played a nerdy but loveable rich kid from the West Coast on The O.C. She played a popular socialite from the East Coast on Gossip Girl. But in real life, it looks like these two down-to-earth stars have made a romantic connection!

Adam Brody and Leighton Meester met while filming the 2011 flick The Oranges and have reportedly been embarking on a low-key relationship over the last few weeks.

"They were always close and friendly," a source tells Us Weekly of the pair, who have turned their friendship into something more.

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Both stars have managed to pretty much stay out of the public eye individually since the ending of their respective shows, and it looks like their romance is heading in that same direction. However, the mag reports that they took a little vacay to Bangkok together a few weeks ago and checked out the Los Angeles County Museum of Art on Friday.

Leighton and Adam both have films in the work, so we'll likely be seeing a bit more of them (hopefully together!) during this year.

Do you think Adam and Leighton can keep their relationship low-key?

Photos Courtesy of: Getty Images