Tracy Anderson is the fitness guru who's given the 50-year-old singer the body of a 25-year-old! Not like other fitness trainers using the traditional gym facilities, Tracy Anderson, aka the Celebrity Queen of Fitness, used the Hybrid Body Reformer machine she invented by herself to train the clients. As a result, you can see a striking blonde like Madonna who could be a woman half her age! If one wants to work out like Madonna, can by Tracy's Dance Aerobics DVD at www.tracyandersonstudios.com. Source