How to Live to 100

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Lose 5 lbs in 5 days

Can't zip up your party dress? Eat like a star.

This five-day plan from nutrition coach Jackie Keller (who's helped Katherine Heigl, below, Anna Paquin, and other celebs slim down) includes lean protein plus fruit, dairy, fiber, and whole grains. It's OK to swap lunch and dinner, but eat these foods every day and add your favorite daily exercise.

Next: Your five-day meal plan