Britney Spears' exes experience extreme weight gain: Her weight-loss secrets

... that her chiseled abs were painted-on . Spears credits a low-carb diet and rigorous cardio, strength-training and yoga workouts for her fit physique. "These intense workouts have really been excruciating," she said. "It's probably the hardest ...

http://ift.tt/1eP6oRJ