Several individuals, including 90 Day Fiance's Sumit Singh, X Factor's Craig Colton, and Borussia Dortmund's Niklas Sule, have undergone significant transformations through weight loss and lifestyle changes. Sumit Singh and Jenny Slatten faced challenges due to cultural and parental pressures, leading to stress-related weight gain for Sumit, but they eventually found success in their relationship. Craig Colton, an X Factor star, has lost almost four stone over the past decade, focusing on healthy eating and regular exercise, leading to a confident lifestyle change and continued music career. Niklas Sule, a Borussia Dortmund defender, faced criticism for his weight but has since lost eight kilos, showcasing a remarkable transformation and renewed dedication to his fitness after being urged by the club's management.