The Most Popular Celebrity Diets are the ones that have us talking and thinking that we can duplicate the results of our favorite celebrity. We all want the body of Brad Pitt, Jennifer Anniston, Sarah Jessica Parker, or Kylie Minogue right. Of course we do, but what will it cost us to go on one of these diets, can we actually believe that the celebrities who are endorsing that diet are actually using it. What gimmick is the ploy to get us to buy into that weigh loss plan?