Below is the first promo for next week's Gossip Girl episode, "Valley Girls."

As we know, Serena ended last night's episode by getting mug shots taken, which should serve as an interesting transition to Lily's wild child, '80s era flashbacks.

Here's our first look at "Valley Girls," in which the prom takes place in the present time, and a whole lot of shenanigans happen in the '80s. Tell us what you think:

[video url="http://www.tvfanatic.com/videos/valley-girls-promo/" title="Valley Girls Promo"] [/video]

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