Christian Bale gained 90 pounds (ish) of muscle between 1 and 2 years - the machinist 2004 to Batman begins 2005 (I couldn't find filming dates). If it was one year, is
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Cracked.com on Twitter: "Christian Bale weight loss/gain guru. 24 Shocking Before-After Photos You Won't Believe - http://t.co/NKXaUXZzGx | http://t.co/MDy1Q6L6OY" / Twitter
![Inside actors' extreme body transformations - from Christian Bale's Batman to Charlize's 'doughnut-fuelled' bulk up | The Irish Sun Inside actors' extreme body transformations - from Christian Bale's Batman to Charlize's 'doughnut-fuelled' bulk up | The Irish Sun](https://www.thesun.co.uk/wp-content/uploads/2022/02/NINTCHDBPICT000714582049.jpg)
Inside actors' extreme body transformations - from Christian Bale's Batman to Charlize's 'doughnut-fuelled' bulk up | The Irish Sun
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![Most startling film transformations of all time - from Charlize Theron to Christian Bale | Daily Mail Online Most startling film transformations of all time - from Charlize Theron to Christian Bale | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/05/04/12/42555560-9540845-image-m-36_1620129378254.jpg)