You can use your keyboard to see the next slide ( ← previous, → next) Rihanna
's risqué wardrobe demands a tight tummy. The singer is seen here in Oakland, California, on June 30, 2011. When Rihanna isn't burning calories on stage, she stays fit the old fashioned way: cardio, weight training, and a healthy diet. (Click here
to see Rihanna’s favorite energy-boosting snacks.)
And secrets to how they sculpted them.
Celebrity Pics: The Best Abs in Hollywood