Sarah Ferguson, The Duchess of York, swapped her luxurious Manhattan apartment for a council estate in Yorkshire. She met the Sargersons, an overweight family with a limited food budget in desperate need of a health overhaul.

She’s an author, pilot and busy mother! Find out more about the Duchess

Sarah's diet tips and advice on your local Health Care PCT initiavtives

Missed the show? Watch some of the best bits with these highlight clips
Play"I had a weight problem since I was 12." Watch Sarah's chat with Alan Titchmarsh

The Sargersons receive a personal cooking lesson from chef JC Novelli
Play"I've faced my fears." Sarah reveals how she felt returning to the UK
Play"We're just two mums." Sarah and Tonia join Phil & Fern

Can Sarah rise to the challenge?

Cut the calories and cost of your weekly shop

Find out more about the Sargersons

Find out how you can work out your BMI

Tips on healthy living and the latest medical news