Melissa Joan Hart
Hart told People that she started wearing two sizes less since giving birth – this weight loss even led to her reaching an agreement with the Nutrisystem as a sponsored spokesperson. She also said that her husband, who loves working out, helped her when it came to exercising more. “My husband really likes fitness and I have always liked working out. He helps me a lot, making me run sometimes so I don't become sedentary. My kids keep me active,” Hart told People.