A "SEX and the City" sequel may be in the works already. Though the movie just wrapped and won't be released until May, producers "are so convinced the first will be a hit," they're now working on a script for a follow-up, a source told Britain's Mail on Sunday. "They are exercising the sequel option in all of the stars' contracts . . . They want it to be a franchise and think they can stretch it over at least three movies."


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