Updated: Wed, 06 Nov 2013 17:30:00 GMT | By Emma Roberts
Adam Sandler and other shocking movie star transformations

Jake Gyllenhaal

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Just what has happened to Jake Gyllenhaal? The actor's gaunt new look made him almost unrecognisable at the 17th Annual Hollywood Film Awards, which were recently held in LA.

The actor has dropped an impressive 20lbs for his new movie Nightcrawler.