On Monday, May 11, Gossip Girl will introduce its '80s spinoff starring Brittany Snow as a young Lily Rhodes - the future Lily van der Woodsen, played by Kelly Rutherford.

While the Upper East Siders' prom is taking place at the present time in "Valley Girls," flashbacks will offer fans a glimpse at the wild, crazy past of this great character.

If the response to the episode is positive, the new series will most likely get the green light for next fall. Here's hoping. Click to enlarge pictures from the May 11 "pilot" ...

Brittany Snow, Krysten Ritter, Cynthia Watros and Andrew McCarthy star in "Valley Girls," the Gossip Girl episode doubling as the pilot for Josh Schwartz's new show.

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