Staying healthy and fit is a top priority in Hollywood, but what exactly are the biggest celebrity diet secrets? With so many fad weight loss strategies out there, it can be difficult to know which diets work and what their effects will be. Celebrities have come forward and revealed how they stay looking and feeling their best and what plans they use to get them there.

Eva Longoria relies on the Sunfare program to provide her with healthy, delicious meals starting at $25 a day, according to Us Weekly magazine. Sunfare delivers each full day's worth of meals fresh, with Eva receiving a total of 1,200 calories daily.



Jennifer Hudson has not been shy about her new body or her new role as a Weight Watchers spokesperson. From just $5 a week to join, she simply abides by a point system every day while still enjoying all of her favorite foods. (Photo Credit: Todd Williamson/WireImage.com)



The Fresh Diet is used by Paula Abdul, Maria Menounos and Olivia Munn to give them the ideal balance of food in its proper portions, which is key to maintaining a healthy weight. The meals are hand delivered starting at $15 a day and include gluten-free and vegetarian options. (Photo Credit: Todd Williamson/WireImage.com)

To see more celebrity diet plans, go to UsMagazine.com.