The documentary follows Ellie, an 18-year-old who weighs more than 17 stone and blames her mother Paula for not putting a stop to her over-eating.

A 19-year-old starts a six-week diet plan and a complete lifestyle change as he tries to reduce his calorie count by half, with a personal trainer also on hand to help.

Sixteen-year-old Ellouise from Newbury weighs in at just over fourteen and a half stone. Together with mum Sarah, she is determined to fight to shed some pounds.