Anna's letting is all hang out and aiming to drop a dress size in 2 weeks with a specially devised diet. Now Anna is letting it all hang out and aiming to drop a dress size in 2 weeks with the help of six fellow dieters and a specially created store where everything is measured into 100 calorie chunks. She will also be looking at why the way we shop is making us fat - from supermarket offers to misleading labels - and meeting four food addicts who can't resist cheese, chocolate, cola and crisps.