Detox and Cleanse Diets: Should You Try These Popular Celeb Diets?

Anne Hathaway turns to trainer David Kirsch's 48-Hour Detox Diet before red carpet events. The 2-day diet involves drinking Kirsch's specialized LemonAid four times a day and allegedly boosts metabolism and energy to jumpstart weight loss. David Kirsch told us his top tips for getting celebs (and you) in top shape.