Nick Jonas via Instagram
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Nick Jonas knows the Instagram trick, click that "high contrast" sunshine if you want to make your muscle definition more visible in flat lighting. He's leading the charge in these young male pop stars showing us they aren't skinny little boys anymore.

Nick has a collection of movie credits to his name, including two stints in the mega-musical Les Miserables and playing heartthrob Link Larkin in Hairspray at the Hollywood Bowl.

No longer touring with his brothers Jonas, check out Nick's latest musical foray, Nick Jonas and the Administration.

Hunks on this day in previous years:

Rob Goddard  VOTE  ZOOM

Marlon Teixeira  VOTE  ZOOM

Tom Daley  VOTE  ZOOM

Ryan Reynolds  VOTE  ZOOM