There have been many celebrities who gained weight to play certain roles in films over the years. See them here.
1 of 8
Christian Bale in ‘Chapter 27’ & after
![Christian Bale in ‘Chapter 27’ & after](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-christian-bale.jpg?w=680)
2 of 8
Jared Leto for his 2008 film, ‘Chapter 27’.
![Jared Leto for his 2008 film, ‘Chapter 27’.](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-jared-leto.jpg?w=680)
3 of 8
Matthew McConaughey for his 2016 film, ‘Gold’
![Matthew McConaughey for his 2016 film, ‘Gold’](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-matthew-mcconaughey.jpg?w=680)
4 of 8
George Clooney in ‘Syriana’
![George Clooney in ‘Syriana’](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-george-clooney.jpg?w=680)
5 of 8
Matt Damon for ‘The Informant!’ [2009]
![Matt Damon for ‘The Informant!’ [2009]](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-matt-damon.jpg?w=680)
6 of 8
Renee Zellweger in ‘Bridget Jones’ Diary’ [2001]
![Renee Zellweger in ‘Bridget Jones’ Diary’ [2001]](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-renee-zellweger.jpg?w=680)
7 of 8
Robvert DeNiro for the 1980 film, ‘Raging Bull’
![Robvert DeNiro for the 1980 film, ‘Raging Bull’](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-robert-de-niro.jpg?w=680)
8 of 8
Gwyneth Paltrow for ‘Country Strong’ [2010]
![Gwyneth Paltrow for ‘Country Strong’ [2010]](http://hollywoodlife.com/wp-content/uploads/2017/09/celeb-movie-weight-gain-gwyneth-paltrow.jpg?w=680)