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Celeb Trainers Reveal: How Stars Stay Svelte

The fitness pros who help Jennifer Aniston, Emma Stone and more get fit reveal their tricks for an A-list bod

JENNIFER HUDSON HONES AT HOME

"[She's] not a typical gym bunny," trainer Harley Pasternak tells PEOPLE of his client. "So I never suggested two to three hours a day of exercise." Instead, Pasternak gave Jennifer a pass, letting her work out at home with his 5-Factor Fitness DVDs, which require her to exercise just 25 minutes a day, five days a week.