We usually think the lives of actor or actress is cool and easy going. But very few know about the struggles and efforts really made by these celebrities. Sometimes the type of role they get to play are quite demanding and they have to work according to it. They are asked to gain or lose a tremendous amount of weight in a very short period of time. And they do it as it is the part of their job.
Christian Bale drastically dropped down to 121 pounds from 184 pounds for his role in The Machinist in just four months. Doctors told him to stop because they thought he was nearing to death.
Theron gained 30 pounds for playing a convincing serial killer Aileen Wuornos in Monster, that lead her to win an Oscar.
After dropping from 215 pounds to 185 pounds for his role in Rush in four months, Hemsworth just took months to bulk up back with an additional 35 pounds for his role in Thor. What a rapid change.
Chris Pratt lost 60 pounds after spending years on Parks and Recreation, an American television sitcom. He gained some serious muscle for Guardians of the Galaxy.
The rapper, Fifty Cent went from 214 pounds to 160 pounds for his role as a football player who surrenders to cancer in Things Fall Apart. He ran for 3 hours daily and stuck on a purely liquid diet.
For his film Courage Under Fire, Damon lost 40 pounds to show himself a drug-addicted. And after filming he was kept under medical supervision for seven months for overcoming such a dramatic loss.
Matthew McConaughey lost 47 pounds in six months for playing a role of a man dying of AIDS in Dallas Buyers club.
The already thin Natalie Portman lost an additional 20 pounds to play a ballerina in Black Swan. She did training for 5-8 hours a day and ate next to nothing for getting into the character.
For her role as a ballerina in the Oscar-Winning movie Black Swan, Kunis lost 20 pounds.
Actor of Forest Gump didn't exercise for a year to transform himself as an average, out of shape, middle-aged man and allowed himself to grow pudgy. He lost 50 pounds and grow out his hairs for making his film the real one.