Monday night's Gossip Girl episode, "Valley Girls," featured mother-daughter conflict in multiple generations - as well as a truckload of '80s fashion and music.
As Serena butted heads with Lily, we flashed back to 1983, when a rebellious young L clashed with her mom CeCe (also seen in this episode in the present).
While Lily and sis Carol were up to no good a quarter-century ago, the Upper East Siders went to prom - and you won't believe what Chuck pulled this time.
Missed the episode? Want to relive the drama? Just want to read a fun rundown of events? Follow the link for the Insider's episode recap of "Valley Girls."
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No Doubt, a.k.a. Snowed Out, rocks the house on Gossip Girl.