Actress Kelly Preston, the wife of John Travolta, recently told People magazine that she's lost 39 pounds since giving birth in January. Preston, shown here in November, thanked close friend Kirstie Alley's weight-loss program, Organic Liaison, and has signed on as its spokeswoman. Here are some other celebrities who promote healthy weight management.
Sarah Ferguson, the Duchess of York, became a representative for Weight Watchers International in 1997. Within a few months Ferguson...
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