Now that "Easy J" has come and gone, it's time for a "War at the Roses."

Blair is surprised, and not in a good way, by a guest at her birthday party. Having had enough of Chuck and Blair's antics, Serena and Nate decide it's time for an intervention ... which can only mean a truce comes to fruition, possibly with a side of hate sex.

Peep our photo gallery from the episode and watch the promo here ...

[video url="http://www.tvfanatic.com/videos/war-at-the-roses-promo/" title="War at the Roses Promo"] [/video]

Should be interesting to see where Chair's relationship is headed. Follow the jump for a longer version, as well as the Canadian promo we posted yesterday afternoon:

[video url="http://www.tvfanatic.com/videos/war-at-the-roses-promo-canadian/" title="War at the Roses Promo (Canadian)"] [/video]

[video url="http://www.tvfanatic.com/videos/war-at-the-roses-promo-extended/" title="War at the Roses Promo (Extended)"] [/video]

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