Sneak Peek: 'Gossip Girl' '80s Flashback (Air May 11, 2009)

Sneak Peek: 'Gossip Girl' '80s Flashback (Air May 11, 2009)

“Gossip Girl” goes back to the ‘80s when Lily runs away to LA. Back to the present, Blair and Nate go to the prom together. Catch the full episode of “Gossip Girl” on Monday, May 11 at 8 PM on The CW.