Justin Bieber Shows Off Half-Sleeve of Tattoos!

Justin Bieber keeps his head down as he leaves the Laugh Factory on Monday night (June 17) in Hollywood.

The 19-year-old singer seems to have gotten some shading done on his arm because he now has a complete half-sleeve of tattoos!

PHOTOS: Check out the latest pics of Justin Bieber

“Last week off. #believetour is back Saturday in San Diego! Ready? #newmusic soon,” he later tweeted.

The week before, Justin kept a low profile while heading out of the Kanye West album listening party held at Milk Studios.

15+ pics inside of Justin Bieber…