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Check Out What Beiber's Been Flaunting

 
Posted Friday, June 27th 2014 @ 12pm

Justin Beiber is no longer the scrawny kid he used to be. He has been pumping iron at the gym to build up his muscles-- and of course he's flaunting it over his Instagram. 

This is the picture collage he uploaded to Instagram on Thursday:  

 

(photo credit: Instagram)

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