The Dukan diet counts everyone from Jennifer Lopez and Penelope Cruz to Pippa, Carole and Kate Middleton as fans. The Duchess of Cambridge reportedly went down two dress sizes following the French plan before her wedding. A ‘breakthrough’ diet book by Dr Pierre Dukan. The Dukan diet is a low-fat, high-protein diet (opens in new tab) that’s been credited as one diet that works fast (opens in new tab) for people who’ve previously found dieting difficult. Dr Dukan’s high-protein diet […]