Celebrity Workout Secrets DVD - Personal Trainer to the Stars Valerie Waters with Playboy Playmate Karen McDougal The ultimate circuit training DVD guide. A complete 60 minute, full body workout including full warm up, 2 circuit training sessions, floor work, and extras such as a 10 minute glute toning workout and a special interview with celeb fitness trainer Valerie Waters. This DVD features Playboy Playmate Karen McDougal as the fitness model who demonstrates all exercises. Valerie Waters is the the personal trainer to the stars - now you can have Hollywood's top fitness coach right in your own home.