A French version of the Atkins diet, the Dukan Diet is the diet used by Kate Middleton and her mother in the run up to the big day. Just like the Atkins diet, the Dukan Diet has four stages.

• Stage 1 – the Attack phase – lean protein and zero-fat dairy products for up to a week
• Stage 2 – the Cruise phase – alternating protein only days and protein with one of the 28 recommended vegetables days. The second phase lasts until the dieter reaches his or her desired weight.
• Stage 3 – the Consolidation phase – lasting 10 days per kilo lost in the first two stages.  This stage allows
• Stage 4 – the Stabilisation phase