Justin Bieber, Calvin Klein underwear model? Selena Gomez's 'boyfriend' flaunts sexy abs in viral Instagram/Twitter PHOTO, fans love campaign idea

On Tuesday (March 25), pop megastar Justin Bieber posted this viral photo on Instagram:

justinbieber: "What if I do a Calvin Klein campaign â™› ? Comment below yes or no."

Well, it comes as no surprise that several Beliebers quickly went wild. They love the idea!

lilstar_justinb: "hell to the mutherf*ckin YESSSSSS."  

elajbswag: "Yes... OMFG."

ndeyafatu: "omg what a hot body."

linneagothelid: "Can I plz touch those abs." 

_chamaaa_: "You're... perfect ? No, thats not enough to describe you."   

Some fans actually got a little too vulgar with their comments... Selena Gomez better watch out!

Is this viral snapshot a sneak-peek of a "secret" Calvin Klein campaign with the Biebs? Guess fans will have to wait and see!

So how about it Mstars fans - should the "Believe" crooner star in an upcoming Calvin Klein ad campaign?