TV Guide investigates the hottest new workout plan that celebs like Kelly Ripa use to whip themselves into shape quickly. At Physique 57 clients take classes that take about an hour. The exercises combine cardio, resistance and stretching for maximum results in minimum time. It's not cheap. An individual class costs $35, a junior membership (if you're under 30) costs $3,750 ($312.50/month). Take a look:
