Justin Bieber seems to have been spending a LOT of time in the gym lately...
The 'Heartbreaker' singer, who is still getting over his split from teen love Selena Gomez, has posted a snap of himself topless with his personal trainer on Instagram to show off his hard work.
We feel there may have been a little photo enhancement involved but there's no denying 19-year-old Bieber has buffed up.
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