Christian Bale – 70 Pounds – near-starvation Diet
Christian Bale is as dedicated to his career as he is good at it, with his versatile roles having put his body through some dramatic changes. Bale gained about 190 pounds of muscle for his Reign of Fire in 2002, only to lose 70 pounds for his role in The Machinist in 2004. Then, for Batman Begins, he put his muscles back on and turned to cheeseburgers to gain 50 pounds for American Hustle. We wonder what the next role is going to put him through…

Christian Bale – 70 Pounds – Near Starvation Diet
Lauren Alaina – 25 Pounds – Portion Control
Lauren Alaina is another American Idol contestant who failed miserably. Since her debut on American Idol, the singer/songwriter has undergone quite a transformation, having dropped 25 pounds. She picked up unhealthy weight loss habits after the show and quickly lost 40 pounds while on tour. It progressed to bulimia, which she concealed by following a strict diet and exercising regularly. She finally regained control of her life and used music to express her struggles.

Lauren Alaina – 25 Pounds – Portion Control