Fit Instagram round-up: James, Evans, King and more

It’s the end of the week, so let’s take a look at the fittest celebrity Instagram snaps from the last seven days or so. Duncan James doesn't seem to mind being snapped at the gym. (Click here to check out the singer with his top off). Duncan Justin Bieber apparently felt the need to document his attempt at growing a moustache this week. (Click here to check out the singer's recent near-naked selfie) Justin YouTuber Davey Wavey got his guns out for a completely shameless selfie. Davey Wavey Thom Evans shared a picture of himself proving he looks just as sexy suited up as he does sans top. (Click here to check him out shirtless post-workout) Tom Swimmer Martin Cremin posed for this week's most dramatic shirtless snap.  (Click here to check him out in his underwear). Martin Cremin Last but certainly not least, we have TOWIE star Charlie King showing off his gym progress. Charlie Fancy more? Check out Joe Jonas and Jack Laugher in last week’s Fit Instagram round-up