Justin Bieber Reveals How He Got Those Amazing Abs, Prep for the Calvin Klein Campaig
 

Justin Bieber Reveals How He Got Those Amazing Abs, Prep for the Calvin Klein Campaign: See More Photos
Justin Bieber dishes to Us Weekly on shooting the Calvin Klein #MyCalvins ad campaign with Lara Stone; check out the exclusive new photos and interviewThis article originally appeared on Usmagazine.com: Justin Bieber Reveals How He Got Those Amazing Abs, Prep for the Calvin Klein Campaign: See More Photos