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25 Shocking Celebrity Weight Changes
Stars lose weight, gain it
By Sarah Klein
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 drasticallyand on short noticeto ace roles (or meet the expectations of a critical public).
The 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.
Fast weight gain can be bad news too, particularly for the heart and joints.
Healthy or not, here's a look at some of the most dramatic transformations.
Next: Jennifer Hudson
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