The Gossip Girl spinoff has not yet received the green light for the fall, but next week's episode of the hit show, "Valley Girls," will provide a taste of it via flashback scenes.

While the Upper East Side teenagers we know and love will be at the prom on Gossip Girl, a younger, wilder Lily Rhodes will be taking us on a tour of 1980s Los Angeles.

Here's the first glimpse of Brittany Snow as Lily ...

[video url="http://www.gossipgirlinsider.com/videos/valley-girls-sneak-preview/" title="Valley Girls Sneak Preview"] [/video]

In case you didn't know, the band performing is No Doubt, under the assumed name Snowed Out. Funny stuff. Follow the jump for the original CW promo for the episode ...

[video url="http://www.gossipgirlinsider.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.