By A Mystery Man Writer
Justin Bieber has joined the ranks of mega-celebrities to model for Calvin Klein.
Justin Bieber Strips Down To His Undies For New Calvin Klein Campaign
Justin Bieber Strips Down for First Calvin Klein Underwear Ad: 'It
Justin Bieber Shows Off His Calvins in Sexy New Underwear Selfie
Justin Bieber strips down to his underwear at Fashion Rocks show
Justin Bieber strips down to his underwear, flaunts his new Calvin
Justin Bieber Strips Down To His Undies For New Calvin Klein Campaign
Calvin Klein
Justin Bieber strips down to his underwear, flaunts his new Calvin
Brief Encounter: Bieber Strips to Audience Boos at Fashion Rocks
Justin Bieber strips down to his underwear, flaunts his new Calvin
Justin Bieber strips down to his underwear, flaunts his new Calvin
Justin Bieber strips down to his underwear, flaunts his new Calvin
Justin Bieber Shows Off His Calvins in Sexy New Underwear Selfie