While all the trappings of being rich and famous are certainly compelling, what with the private jets, exotic getaways and multi-million dollar mansions, you can't doubt certain actors' commitment to their craft. From playing emotionally draining roles to undertaking vigorous exercise routines, actors such as Christian Bale,
Natalie Portman and Tom Hardy have certainly taken getting into character seriously. Have a gander at some of the most dramatic celebrity transformations out there - some are almost unrecognisable.
1. Chris Pratt - Guardians of the Galaxy
2. Christian Bale - The Machinist
3. Chris Hemsworth - Thor
4. Renee Zellweger - Bridget Jones's Diary
5. Jake Gyllenhall - Southpaw
6. Jonah Hill, Maniac
7. Mila Kunis - Black Swan
8. Natalie Portman - Black Swan
9. Matthew McConaughey - Dallas Buyers Club
9. Jared Leto - Dallas Buyers Club
10. Jared Leto - Chapter 27
11. Tom Hardy - Bronson
12. Tom Hanks - Castaway
Well, you can't question their dedication, can you?
In other celebrity related news,
here's why Emma Watson refuses to take pictures with fans.
