Most Shocking Celebrity Weight Loss

Whether they’re slimming down to play a perfectionist ballerina or bulking up to a gladiator-esque stature, celebrities often need to change their shape drastically—and on short notice—to ace roles (or meet the expectations of a critical public). he problem? This type of dieting can be bad for your health.
Crash diets can weaken your immune system, leaving you more vulnerable to getting sick and may even hurt your heart.

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CHRISTINA AGUILERA
She has had a tumultuous relationship with her weight, yo-yoing between being very slender and overweight throughout her career. A love of fast food and deep fried treats is what contributed to her weight gain, and in the past year she has managed to lose over fifty pounds by eating healthy portions of the right combination of carbs, protein and fats.