Reality TV star Charity Pierce has died. Pierce, best known for appearing on TLC’s My 600-lb Life, died Tuesday at 1:20 a.m. while surrounded by loved ones. Almost all immediate family knows so, my mom passed away today,” her daughter Charly Jo wrote in a Facebook post. Play videoPierce became a national TV star in season three of My 600-lb Life, where she weighed 800 pounds before seeking professional help on the show. She later returned to the series for My 600-lb Life: Where Are They Now?