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.
From Wimp To Wow! 13 Stars Who have Buffed Up
From Wimp To Wow! Stars Who Have Buffed Up(01 of28)
Craig David (credit:Getty)
From Wimp To Wow! Stars Who Have Buffed Up(02 of28)
Craig David (credit:Craig David/Twitter)
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Kenzie (Blazin' Squad) (credit:WENN)
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Kenzie (Blazin' Squad) (credit:YouTube)
From Wimp To Wow! 13 Stars Who Have Buffed Up(05 of28)
Nick Jonas (credit:Getty)
From Wimp To Wow! 13 Stars Who Have Buffed Up(06 of28)
Nick Jonas (credit:Instagram)
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Aaron Johnson (credit:Getty Images)
From Wimp To Wow! Stars Who Have Buffed Up(08 of28)
Aaron Johnson (credit:Kick Ass 2)
From Wimp To Wow! Stars Who Have Buffed Up(09 of28)
Daniel Craig (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(10 of28)
Daniel Craig (credit:Columbia)
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Former Children's BBC presenter Andi Peters (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(12 of28)
Former Children's BBC presenter Andi Peters (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(13 of28)
Hugh Jackman (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(14 of28)
Hugh Jackman (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(15 of28)
Tom Hardy (credit:WENN)
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Tom Hardy (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(17 of28)
Harry Judd (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(18 of28)
Harry Judd (credit:PA)
From Wimp To Wow! Stars Who Have Buffed Up(19 of28)
Jake Gyllenhaal (credit:WENN)
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Jake Gyllenhaal (credit:Splash/Disney)
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Chris Pratt (credit:Getty)
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Chris Pratt (credit:Chris Pratt/Twitter)
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Eoghan Quigg (credit:WENN)
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Eoghan Quigg (credit:Now magazine)
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Will Smith (credit:WENN)
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Will Smith (credit:Ali)
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Jodie Marsh (credit:WENN)
From Wimp To Wow! Stars Who Have Buffed Up(28 of28)
Jodie Marsh (credit:Jodie Marsh/Twitter)