Justin Bieber's Fab Abs

October 2010
At 16, Justin Bieber had pipes but not much to show in the way of a buff upper body. Over the next two years, the Biebs would work on his six pack and pecs – and never failed to document the progress for all his eager-eyed followers.

October 2010
At 16, Justin Bieber had pipes but not much to show in the way of a buff upper body. Over the next two years, the Biebs would work on his six pack and pecs – and never failed to document the progress for all his eager-eyed followers.