See how Halle Berry, Jennifer Lopez and more hit the gym and shaped up for '09!
Credit: Robert Galbraith/Reuters/Landov; Brian Zak/Sipa
Updated: Friday Jan 30, 2009 | 06:00 AM EST
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Without pills or surgery, these real people did it – see their amazing transformations!
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To get her famous abs back, Spears, 27, hit the gym at least 3 days a week for aerobics, jogging and weight training with a trainer.
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