"My prognosis is 95 percent successful," Gibaud told the Daily Mail. "Once I have designed a package suited to your needs, all you have to do is stick to it, and like Kate you'll soon see immediate results."
But the plan is more shady from a nutritionist's perspective.
"A lot of this is marketing," said Lawrence. "All you have to do to lose weight is to get more fruits and vegetables into your diet and keep processed foods to a minimum."