At 22 stones, 16-year-old Evie feels ashamed to walk down the street with her family, who've a combined weight of over 60 stone. She blames mum Kirstie for overfeeding her, but can they along with stepdad Ash, reach a healthier weight?

14-year-old Libby weighs north of 22 stone, and believes her mum is embarrassed by her size, which pushes Libby toward comfort eating. Libby now wants to turn her life around.

Sol began comfort eating after he came out as gay and his mother Rachael pulled away. Now he is embarking on a strict diet with his mother to help them mend their relationship.

18-year-old Charlotte is overweight, but is even more concerned about her dad's size. Together with her mum and sister, they embrace a new diet that could turn their lives around.

Josh believes his overeating is out of boredom, but also to escape his parents' arguing. With their son in constant pain and unable to even tie his shoes, the family has agreed to a wholesale lifestyle change.

18-year-old Ellie began stress-eating after her parents split, and is now a 17-stone recluse. She and her mother Paula go on a make-or-break diet-and-exercise plan in the hopes of mending both their health and their relationship.

19-year-old Stuart weighs in at 19 stone living on a diet of beer, fatty snacks and frozen food. He undertakes a complete lifestyle change as he tries to reduce his calorie count by half, with a personal trainer to help.

Sixteen-year-old Ellouise from Newbury enjoys the finer things in life, but the good life is affecting her health. Weighing in at just over 14 and a half stone she is determined, along with mum Sarah, to shed some pounds.

18-year-old William, who is autistic and has eaten the same lunch of burger and chips every day for two years, goes on a tailored diet to reduce his calorie intake by half as he and his family agree to a wholesale lifestyle change.

Sixteen-year-old Anna from Warrington weighs in at almost sixteen and half stone as her appetite has got out of control, while her mother Sarah is the perfect partner in crime.

Cleo is 16-years-old and weighs in at just over 23 stone thanks to a diet of unhealthy convenience food and fizzy drinks, but she and her family change their lifestyles to try to halt their weight gain.

Latvian-born Kaspars, 18, weighs in at just over 17 stone, and tries to reduce his intake of fast food and takeaways with the help of a specially tailored diet.

Dominique loves food, but she does not know when to say no.

Lucy's habit of comfort eating is out of control.

TJ plays video games and snacks causing his weight to rocket.

Leanne's love of cooking has led to weight gain.

Sixteen-year-old Jake's fast-food habit is out of control.

Rosie's efforts to make some changes to her lifestyle.