Pregnant Jessica Simpson has just inked an estimated $3 million deal with Weight Watchers, Page Six can reveal. Sources tell us the blond star has been fielding offers from a number of weight-loss programs.

PHOTOS: JESSICA SIMPSON

One source said, “The deal is in place, and after having her baby, she’ll start with Weight Watchers to lose her baby weight.” Simpson has another reason to get in shape fast — she hopes to wed her fiancé, Eric Johnson, soon after she gives birth.