Since the debate over how much Justin Bieber’s Calvin Klein photos were Photoshopped is still raging, here’s one last piece of evidence for you to pore over: A behind-the-scenes Associated Press video from Bieber’s shoot has plenty of footage of him in action so you can pause it and compare and contrast with the finished ads. Plus, model Lara Stone shows off some really amazing acting chops in discussing what it was like to work with the Biebs. RELATED: The curious case of Justin Bieber’s bulge Follow Ned Ehrbar on Twitter: @nedrick