8 Best and Worst Celebrity Diet Spokespersons Posted on February 2, 2012 by Danity BEST: MARIAH CAREY Mariah got large and in charge with her twins but was determined to get the weight off. Mariah hooked up with Jenny (formerly Jenny Craig) to shed the weight and she did. MC lost over 40 pounds! Tweet Pin It Pages: 1 2 3 4 5 6 7 8