7:32 PM PDT, June 23, 2014
One of the many perks to being a celebrity is access to some of the best trainers in the world and the stars in this gallery took full advantage. Click through to see some of your favorite stars before and after their buff transformations.
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From Scrawny to Brawny: Stars Who Buffed Up
One of the many perks to being a celebrity is access to some of the best trainers in the world and the stars in this gallery took full advantage. Click through to see some of your favorite stars before and after their buff transformations.
Nick Jonas (Before)
Getty Images
Nick Jonas (After)
YouTube
Chris Pratt (Before)
ET
Chris Pratt (After)
Marvel
Zac Efron (Before)
Getty Images
Zac Efron (After)
Justin Bieber (Before)
Getty Images
Justin Bieber (After)
Instagram
Christian Bale (Before)
Paramount Home Entertainment
Christian Bale (After)
Lionsgate
Tom Hardy (Before)
Getty Images
Tom Hardy (After)
Esquire
Jake Gyllenhaal (Before)
Getty Images
Jake Gyllenhaal (After)
Will Smith (Before)
NBC
Will Smith (After)
Columbia Pictures