Here's hoping Gossip Girl's latest cast addition, Laura Breckenridge, knows how to give a good cry. 'Cause something tells us that's precisely what she'll be doing when Blair Waldorf (Leighton Meester) sinks her perfectly polished claws into her new teacher's jugular.

In the sneak peek above, you can see that Blair isn't taking too kindly to Miss Carr's (Breckenridge) punishment. And the all-out war has begun.

Meanwhile, note to you Blair and Chuck fans: As you can see in the two extra sneak peeks below, Blair and Chuck appear to be going their separate ways. For Chuck, that means one step into a gentlemen's club and one giant leap away from monogamy with Blair...