Justin Bieber's Time At The Gym Is Obviously Paying Off, Because THOSE GUNS! (PHOTO)

JB's muscles bulge even when he's not really flexing. It's unbelievable. Judging by his 9,000,000 "look at my chiseled abs" gym photos, we kinda already guessed that Justin Bieber's workouts were srrrrrrssly paying off. Aside from his mili-pack midsection, Justin's got some seriously bulging biceps that LOOK MASSIVE EVEN WHEN HE'S NOT REALLY FLEXING. Just FYI, [...]