I went on Beyoncé's 22-day diet — and I lost 15 pounds

Beyoncé tried "The 22-Day Revolution" diet after she had her first child. The plan is a vegan, plant-based diet that eliminates all processed foods.Beyoncé wrote the foreword for the book and backed a meal-delivery service based on it. Business Insider's Kevin Reilly decided to try "The 22-Day Revolution" for himself, and it turned out better than he'd hoped.