Isabel Spearman, her old ally from Downing Street, who used to help her with styling, to the rescue. It was Spearman who guided her towards a tweaked version of the 5:2.
Instead of existing on 500 calories two days a week, Spearman, who’s also shed a significant amount of weight, advised her former boss to raise the ceiling to 800 calories. “That’s really quite do-able,“ says Cameron. “It means missing breakfast, two days out of seven.
I’m a breakfast person. But if you can make it ‘til midday, then you can have two eggs, as much salad as you can eat, plus balsamic vinegar, which despite being sweet, contains very few calories.
Read more on telegraph.co.uk