We've seen just about every combination of Gossip Girl stars filming in the past week or so: Chace Crawford and Ed Westwick playing basketball, Chace and Leighton Meester strolling and smooching, then Ed and Blake Lively chatting it up.

Now here's a fan favorite couple together again ... at least in this scene:

What do you think Chuck and Blair are up to here?

Share your theories, and click to enlarge tons more pictures of Ed and Leighton as Chuck Bass and Blair Waldorf in scenes from a future Gossip Girl episode ...

[Photo Credits: Splash News Online]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.