Kelly Clarkson has lost weight by following the Plant Paradox diet, which eliminates lectins and is helpful for managing autoimmune and thyroid conditions. She has lost 37 pounds and 40 pounds in two different periods of time. Kelly has been open about her struggles with weight gain, dieting, and weight loss, and she has never been quiet about her battles with weight. She has also mentioned that she doesnt enjoy working out much, but she forces herself to do it in order to increase her energy and overall live a healthy lifestyle. Kelly has not explicitly addressed whether her divorce played a part in her weight loss.