She’s gone through a very public struggle with her waistline, and now Jessica Simpson is using it to her advantage. The “Come On Over” songstress just signed a $3 million contract with Weight Watchers to be their latest spokesperson. One source said, “The deal is in place, and after having her baby, she’ll start with Weight Watcher 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.