CHARLIZE THERON RECENTLY revealed that in order to gain 50lbs for her role in Tully, she set alarms throughout the night so she could binge-eat mac and cheese.

And naturally with 3.5 stone to gain, she didn’t stop at that.

Appearing on the Ellen De Generes Show this week, the 42-year-old Oscar-winner revealed that she didn’t go anywhere without crisps.

I ate a lot of everything, but my drug of choice is potato chips. I had a bag in my car, a bag in the bathroom, a bag in the kitchen, a bag on the couch… everywhere I went there was just a bag.

Charlize, who also overhauled her body for the role of Aileen Wuornos in Monster, is just one of many A-listers who underwent extreme body transformations all in the name of their art.

And here are just seven of the most impressive.

1. Matthew McConaughey

For his role in Dallas Buyers Club in 2013, Matthew dropped to 9.5 stone, after shedding a staggering 38 lbs.

The Texan actor secured himself an Oscar for his portrayal of Aids patient, Ron Woodroof.

2. 50 cent

The rapper, also known as Curtis Jackson, shed 54 lbs with the help of a liquid diet in order to play cancer patient, Deon, in All Things Fall Apart back in 2011.

He also reportedly spent three hours a day on a treadmill, and we’re exhausted just thinking about it.

3. Tom Hanks

For his Oscar-winning role in Philadephia back in 1993, Tom Hanks underwent a staggering physical transformation.

Portraying lawyer, Andrew Beckett, who had been diagnosed with HIV, Tom lost 35 lbs and shaved his head.

4. Rooney Mara

Up until accepting the role in The Girl with the Dragon Tattoo, Rooney Mara hadn’t so much as had her ears pierced, but that all changed when she underwent her Lisbeth Salander transformation.

After losing 15 lbs, dying and cutting her hair, bleaching her eyebrows, and piercing her brows, nipples and earlobes multiple times, Rooney was ready to take on the role that secured her an Oscar nomination.

5. Christian Bale

Christian Bale is arguably the king of Hollywood transformations with many of his roles requiring a full-body overhaul, but his most memorable has to be The Machinist.

Back in 2004, the British actor shed a jaw-dropping 62lbs for his role as Trevor Reznik in the acclaimed psychological thriller.

6. Anne Hathaway

For her Oscar-winning role as Fantine in Les Misérables, Anne Hathaway shed approximately 25 lbs and cut off most of her hair.

On her decision to do so, Anne said: “It’s such a devastating scene in the book, I thought doing it for real might raise the stakes a bit for the character.”

7. Glenn Close

For her role in Albert Nobbs in 2011, Glenn played a woman who was masquerading as a man in order to secure work as a butler.

Both her transformation and portrayal amassed her considerable praise upon the film’s release.

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