[custom_adv] 28-year-old Grammy Award winner allegedly doesn’t spend hours in the gym to keep her figure. According to Rihanna’s personal trainer, Jamie Granger, Rihanna stays in shape by following a balanced diet and a regular workout regimen. Other exercises include power lifting and plyometric movements to help Rihanna maintain her toned figure. A plyometric movement is considered a quick and powerful movement that begins with muscle lengthening and is followed by muscle shortening. 12. Rihanna [custom_adv] This weekend, as Olympian Usain Bolt attempts to win all three gold medals in sprinting, it's not just about what happens on the track — it's also about what he eats to fuel the finely tuned machine that is his body. In an interview with GQ, Bolt admitted that while his biggest craving is for hot wings, he usually ignores it and instead thinks very carefully about exactly what his body needs to perform. 11. Usain Bolt [custom_adv] Fergie, singer and songwriter of “The Black Eyed Peas” fame, has never seemed to have a huge problem with pregnancy weight. ... What are Fergie’s secrets to her bikini fitness body? ... Fergie has followed a mostly vegetarian diet for a number of years now, and she enjoys juicing and. 10. Fergie [custom_adv] Dwayne "the Rock" Johnson knows what it takes to make it to the top. ... on, Johnson has to religiously stick to a strict workout and diet plan. 9. Dwayne “The Rock” Johnson [custom_adv] Tennis champion Venus Williams was recently featured in an interview with Health about her "drastic" plant-based diet and how it changed her life. ... "I started for health reasons. I was diagnosed with an autoimmune disease, and I wanted to maintain my performance on the court. 8. Venus Williams [custom_adv] Beyoncé Giselle Knowles-Carter (born September 4, 1981) is an American singer, songwriter and actress. Born and raised in Houston, Texas, she performed in various singing and dancing competitions as a child and rose to fame in the late 1990s as lead singer of R&B girl-group Destiny's Child. Managed by her father, Mathew Knowles, the group became one of the world's best-selling girl groups of all time. 7. Beyoncé [custom_adv] Andy Murray revealed that he has turned to pilates and a yoga style favoured by dancers to prolong his career after back surgery. 6. Andy Murray [custom_adv] Katie Holmes Diet Plan and Workout Routine. The sultry actress has been abiding by Paleo diet or Caveman Diet. She shares of being getting pleasing results. 5. Katie Holmes [custom_adv] Wayne Rooney s future at Manchester United is in the balance with David ... Rooney admits that his then manager had concerns over his diet. 4. Wayne Rooney [custom_adv] Actress Amanda Seyfried has admitted that, although her raw food diet keeps her beautiful figure in shape, it is not much fun. “It's intense. 3. Amanda Seyfried [custom_adv] He doesn't eat for 16 hours a day and fits all his meals into an eight-hour window during the day. He also doesn’t cut carbs, just doesn't eat them after 3 p.m. Oatmeal for breakfast and brown rice and yams for lunch. He also said that to bulk-up he had to consume 1.3 grams of protein per pound of his target bodyweight. 2. Hugh Jackman [custom_adv] Kristen Dunst was 100 percent okay with having to gain weight for her role in FX’s Fargo. The usually slim actress revealed to Jimmy Kimmel on Monday, Oct. 12, that she pretty much just chilled and ate cheese and bread to pack on the pounds for her role as Midwestern beautician Peggy Blomquist. Kirsten Dunst revealed Monday that she recently transformed her body by watching TV and eating whatever cheese-and-bread-based foods. 1. Kirsten Dunst