It’s no secret that Justin Bieber is a fan of showing off his abs…and his underwear. But his dare to bare will be put to good use soon – the singer has signed a contract with Calvin Klein. Insiders at CK say the ads are being shot now and will be release later this year. Who is rumored to star in these ads along Bieber – the Kate Moss to his Marky Mark, if you will? Find out in our video!
