Tinseltown is a place full of glamorous, sexy celebrities we always adore. We admire them not only for the amazing acting skills but also for their sexy physique and toned body. But did you know that some of the sexiest celebrities in Hollywood are willing to go beyond their limits to portray a character on their movie?

They don’t care if they would endure the pain of losing weight or beefing up; they are willing to go extreme for their art.

Take a look at these shocking transformations made by celebrities as commitment for their roles.

Christian Bale, The Machinist


Christian Bale is famously known for his Batman role but did you know that the once buffed Christian Bale lost an astounding 63 pounds to play a chronic insomniac in the film “The Machinist”. What is even more astonishing is that Christian had to bulk up again soon after for his role as Bruce Wayne/Batman.

Charlize Theron, Monster


Eating doughnuts is Charlize Theron’s way to gain 30 pounds to play a role of a prostitute and a serial killer in 2003. The once sexy Charlize Theron is almost unrecognizable when she gained weight. It’s amazing how she went back to her usual size 8 just in time for the movie’s premiere and she won the best actress for both Academy Awards and Golden Globe Awards.

Bradley Cooper, American Sniper


The recent addition to Hollywood stars who go beyond limits to play a role is Bradley Cooper. He gained 40 pounds to play a Navy SEAL for the movie, American Sniper. The 39-year old actor apparently had to undergone a strenuous training in the gym to bulk-up and make him look like the real-life Navy SEAL Chris Kyle.

Matthew McConaughey, Dallas Buyers Club


Matthew McConaughey may have won the Academy Award for Best Actor in the movie Dallas Buyers Club but he did not achieve it without sacrifice. Matthew McConaughey almost lost 50 pounds to play the role of Ron Woodroof, an AIDS patient. The Texas-born star revealed that he had undergone extreme weight loss with a little-to-no-food at all.

Mila Kunis, Black Swan


Mila Kunis has been once hailed as the sexiest woman in the planet but still Mila Kunis has to shape up for her role as an evil ballet dancer in Black Swan. She was able to achieve a professional ballet dancer body shape but not without sacrifice. She was constantly exercising for seven days a week, 5 hours a day. Her strenuous training made her lose 20 pounds of her weight.

These celebrities know no limits to their commitment for their profession. They have endured the pain of extensive training and suffered months under strict diet just to perfectly play their characters in their movies.And they are under the supervision of their personal trainers in their quest to lose or gain weight. Just like these celebrities, before you try any program to help you gain or lose weight, you have to first seek advice from professional trainers regarding the proper nutrition and training you can do to achieve your fitness goals.