Adam Brody & Leighton Meester — First Photo Together

0223-adam-brody-leighton-meester-splash“The O.C.” and “Gossip Girl” fans everywhere exploded when word got out that Seth Cohen and Blair Waldorf were dating … and now we have the first photo of them as a couple.

Adam Brody and Leighton Meester — as they are known to their friends and family — were spotted out in Venice, CA yesterday … looking every bit like an item.

Summer Roberts and Chuck Bass are gonna be soooooo pissed when they see this.