Guess which royal relation-to-be is a fan of the Dukan diet

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She is a former British Airways air hostess (that’s a flight attendant over here) and the co-founder of a party supply empire. Her personal style has been compared to that of Carla Bruni, and she is the mother of the future queen of England. It seems, however, the biggest claim to fame of Carole Middleton is the French diet she’s on.

In October of last year, Mrs. Middleton was asked how she kept in such good shape and, reportedly, responded that she was on the Dukan Diet. Well, that remark has pretty much caused a sensation ever since.

The fact that her confession was in advance of the announcement of the engagement of her daughter Kate and Prince William, of course, led to rampant speculation that it was only a matter of time. I mean, why would the potential mother-of-the-bride go on a diet unless she was about to be – err – the mother-of-the-bride?

Somewhat unexpectedly, however, Mrs. Middleton’s off-handed remark has also led to a massive surge in the popularity of the controversial high-protein French weight loss program.

Although I couldn’t find any mention of Mrs. Middleton on the official Dukan Diet website, it would not be a stretch to say that diet guru Pierre Dukan owes Carole a new car, or house, or castle.

Since Mrs. Middleton’s confession, the Dukan Diet, whose slogan is ‘The Real Reason French Stay Thin’, has become the hottest-selling diet book in the UK, moving more than 250,000 copies. Sales of the The Dukan Diet Recipe book have also soared, along with the foods linked to those recipes.

When recently asked about the sudden success of his diet plan, Monsieur Dukan reportedly responded it was due to two things: “It works, and Carole Middleton.”

According the website, the high protein Dukan method involves a healthy eating plan that “returns to the foods which founded the human species, those eaten by primitive man, the hunter-gatherers.”

With this in mind, perhaps, the new Dukan Diet slogan should be: ‘Hunt. Gather. Host 1,900 people (including David and Victoria Beckham) with an additional 2.5 billion watching on TV.’

Catchy, huh?