The Duchess of York, Sarah Ferguson, is reportedly in talks with Britain's Channel 4 to serve as host of a reality weight-loss TV program.

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The show would have Ferguson, 46, moving in with overweight families and supervising their diet and exercise programs, the Mirror reported Thursday.

"Sarah is very excited about this TV project and she's keen to do it," a Channel 4 source told the Mirror. "She is looking brilliant at the moment. She's lost so much weight in the past and would love to help other families hoping to shed the pounds."

The popular international personality known as "Fergie" earned millions of dollars promoting Weight Watchers and dropped from a size 18 to a size 10.