Kirstie Alley... Monica Lewinsky... Joy Behar... Valerie Bertinelli... They've all put their bodies in the hands of Jenny Craig, one of the leading weight-loss centers in the industry since 1983. But they're not the only ones who swear by the program. Thousands of women pour into 640 Jenny Craig centers throughout the world on a daily basis. And they're all there in the name of lasting weight loss.

Unlike the promise of quick fixes or overnight successes like other fly-by-night plans, Jenny Craig calls for a more objective approach to dieting that upholds three main concepts: a good relationship with food, an active lifestyle and a balanced approach to living.

Jenny Craig provides each member with a well-rounded program that's designed with that person especially in mind. There are three different kinds of membership (trial, gold and platinum), tweaked to suit the needs of a diverse clientele.

Before joining, possible members complete a one-page health profile to ensure that the program can meet their needs. Once the first consultation is finished, the member will meet one on one with a representative on behalf of Jenny Craig to receive a meal plan that is personalized, a customized fitness program, motivational tools and weight-loss manuals for additional guidance.