Jennifer's advice: Don't stress about it. After gaining 50 pounds during her pregnancy, Jennifer embarked on a year-long weight-loss journey and didn't sweat the fact that she was, as she called herself, "fat."
In her own words: "I remember my flabby belly hanging out right after I gave birth," she said to Us Weekly in 2010. "I kind of laughed and said to [then-husband] Marc, 'Look, baby! Isn't this crazy?' I just didn't care."