OMG! TV's guiltiest pleasure returns to the boob tube Sept. 1, and we can hardly contain ourselves!

Why? Why?! Well, watch this new clip of Serena and Chuck going at it and you'll understand why.

And if that doesn't whet your appetite—or if it does and you just gotta have more—check out all the sneak peeks courtesy of our TV Diva at Watch With Kristin!