Fergie has a smoking hot body. Celebrities are always under scrutiny for their weight. It really seems unfair that they can be at a healthy weight but still be called 'plump' by the media.  Maybe that is why Fergie is going to an extreme all for the sake of her waistline.

Her secret weapon against over eating - SALT. She will pour way to much salt on her food so she won't be tempted to eat everything.  One of her friends witnessed this crazy diet in action.  Apparently she was eating ice-cream and ended up feeling full before she finished the whole bowl, Fergie then picked up the salt shaker and poured it over the remaining dessert.