Some stars, like Oprah Winfrey, Kirstie Alley, Jessica Simpson, and Christina Aguilera, are as famous for their ever-changing bodies and weight ups and downs as for their talent
A self-proclaimed emotional eater, Jackson has struggled with her weight — and her self-confidence — all her life. She became famous for yo-yo dieting before finding and becoming a spokeswoman for Nutrisystem in 2011. "People can relate to me because I have lived it," she told Us Weekly that year. "I truly understand what it's like to have a problem with weight loss, losing too much weight or gaining more than you desire to and becoming unhealthy."