We've heard all about the fabulous time that the "Gossip Girl" cast had while shooting the Sept. 13 Season 4 premiere in Paris, but back on the Upper East Side, trouble was brewing. Nate (Chace Crawford) has spent his summer sinking to new lows courtesy of Chuck's little black book, but when he meets Katie Cassidy, he's inspired to clean up his act.
"This is definitely a big story for us," says executive producer Stephanie Savage. "Katie's with us for a good long time -- at least for the first half of the season."
Of course, the "Melrose Place" star isn't what she seems. If there's anything we've learned from "Gossip Girl" over the years, it's that no newcomers arrive in town without some skeletons in their always-fashionable closets. Cassidy's character Juliette is no exception to the rule.
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