Stunning those watching the 2009 American Music Awards, Rihanna made a spectacular showing preforming and proving she has overcome all of the bad press she may have garnered from the whole Chris Brown incident. Wowing the crowd for not only her vocal prowess, Rihanna further looking great rocking her amazing body that she attributes to a strict workout and fitness routines.

Relying heavily on calorie blasting cardio, Rihanna's go to choice for a workout is running on the treadmill. She stays motivated from the help of her personal trainer that travels with her, always mixes things up to keep them fun for the singing star. This Barbados born beauty names her bum as her prized asset, no doubt from her resistance and weight training. Squats are great for giving your back end that great shape, and Rihanna seems to be no stranger to squats and lunges!

As for her diet, Rihnna is a fan of the low carb frenzy that seems to have gripped the masses, and spaces smaller meals throughout her day. By fueling herself every three hours she keeps her metabolism running and her energy levels even. Usually pairing high protein fare, such as egg whites, with fruit for breakfast, she will turn to healthy servings of fish for lunch and dinner. While she may not like vegetables she does do her best to fit them in, knowing they are good for her.

Thankfully Rihanna recognizes working out and fitness is more than a means to stay skinny or lose weight, and that it is part of a healthy lifestyle. She tries not to obsess too much over her size and exact weight as she can vary between a size two or four. She likes being trim and toned because it gives her confidence, and with such a slamming body we can see why!