Although the Dukan Diet book has been a bestseller for years in France, it’s been rapidly gaining popularity since Kate Middleton reportedly started the diet in order to lose weight for her upcoming royal nuptials to Prince William. Other celebs like model Giselle Bundchen and Jennifer Lopez are also said to have tried the diet to help them shed their post-baby pounds. But should you be following in the footsteps of these high-profile celebs? We’re breaking down the basics (and the risks) of this hot diet.

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