Jessica Simpson Before and After Baby

Jessica Simpson has certainly had her fair share of weight problems, especially over the past year. As the first guest on Katie Couric's new show 'Katie' last month, she stated that she had put on more weight than she had intended during her pregnancy. She went on to say that losing the weight is "definitely a challenge".

Jessica is the new spokeswoman for 'Weight Watchers', and has been using their 'PointsPlus' system to lose the weight. On 'Katie', she said she had currently lost 40 pounds since the birth of her daughter in May 2012.

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*"The Weight Watchers PointsPlus program is a healthy weight loss plan to help you lose weight and keep it off by using our PointsPlus system." -Weight Watchers