Blair and Chuck kissing scene on set of Gossip Girl

Blair (Leighton Meester) and Chuck (Ed Westwick) were filming a kissing scene for Gossip Girl Season 3 yesterday. At the end of Season 2, the pair finally hooked up and Chuck declared his love for Blair (that was the ending that I was hoping for). Blair finally got the man she loves. So, clearly, the start of season 3 will begin with Blair and Chukck playing loverbirds but for how long will