By Kate Schweitzer
At 41 years old, Jennifer Aniston has a body that's the envy of women half her age. And she credits it all — those lean legs, six-pack abs, and glowing skin — to one woman: her yoga instructor, Mandy Ingber.
"Mandy's yoga style has changed my life," the star has said of Ingber's routines, which are a hybrid of traditional yoga poses paired with traditional toning exercises. "This is one of the most fun, challenging workouts I've ever had."
Although Aniston has been known to...