For more than 20 years, Natasha Kufa has helped sculpt and streamline some of Hollywood's most famous physiques, including Fergie's and Matthew McConaughey's. What sets Natasha's personal-training services apart is her dual emphasis on nutrition and fitness. A certified raw-foods nutrition specialist, she believes that diet plays a huge role in stamina, physical shape, and overall well-being. She designed a juice cleanse to help people quickly detox, and she also offers personal-chef services that deliver organic, healthy meals. In her latest book, The 10% Rule: Small Changes, Big Results, she clues clients in to the secrets and strategies that have kept her alive for more than 6,000 years.