This time, bus driver John and children's entertainer Mark want to shed the pounds for a fancy getaway to Florida. Kanan and Parul are desperate to get slimmer for Kanan's son's wedding. And Angela and Jacinta plan to shed some pounds for a charity run. Xand also investigates why alcohol is so harmful to our waistlines and analyses how accurately fitness trackers count our calories and log our activity. The featured diets this time are Gwyneth Paltrow's Goop detox diet; the SlimFast diet; a high-fibre regime; a macrobiotic diet allegedly favoured by Madonna and Julia Roberts; some mindful eating; and the NHS weight loss plan.