Why not? While in Hawaii making the most of a few days off, he rides ATVs and jumps off a cliff.
His "Baby" becomes the top single ever in terms of digital sales and he celebrates by wearing...this.
GQ names him (and Barack Obama, so he shouldn't be too offended) one of the Least Influential People of 2013, but he sure made our list of the Most Influential Teen Celebs around. Not to mention, per Forbes, he made $58 million between June 2012 and June 2013. Surely he's crying into his cornflakes over GQ.
Bieber breaks a Make-A-Wish Foundation record by becoming the first artist to grant 200 wishes.
By air, land or sea, he's all for trying something new, this time learning how to surf in Sydney.
Yup, that's him golfing in the woods, shirtless.
Biebs added to his ink menagerie with an eagle in Sydney.
In Australia to perform in several different cities, Biebs and his entourage were given a warning "in relation to inappropriate language" at Brisbane International Airport.
The native son was attacked at a Toronto nightclub and one of his assailants allegedly stole a gold chain he was wearing.
Bieber parties (shirtless, as always) at a Denver club after his concert and, while he enjoys the company of a few VIP waitresses while he's there, no girls get to go to the late-night studio session that followed the outing.
In the end, all that really matters is that the 19-for-a-few-more-months heartthrob continues to please his fans by pushing-the-tween-envelope videos like this one, in which he gets cozy with Cailin Russo.
Ariana Grande later calls the hullabaloo over this kiss "silly."
He meets with young victims of Typhoon Haiyan in the Philippines after closing out his Believe Tour in Manila, calling it the "most touching trip" of his life.
He jets back to Canada to be there for dad Jeremy after the elder Bieber undergoes knee surgery.
Maybe he should stick to snowboarding.
Biebs becomes a member of Floyd Mayweather's entourage when the boxing champ takes on Canelo Alvarez in Las Vegas.
Biebs posts this one "4 the haters" on Dec. 12.
Frequent Bieber companion (at the time) Jacque Rae Pyles, 19, characterizes her relationship with the star as "maybe mentorship" when E! News asked about the nature of their relationship in September.
This shot, posted by Bieber in August, becomes the most "liked" photo of the year on Instagram, with more than 1.5 million "likes."
Justin's fans will be rewarded for their unwavering loyalty on—could it be timed better?—Christmas Day when the documentary Justin Bieber: Believe hits theaters. The movie's red-carpet world premiere is scheduled for Dec. 18.
NEXT GALLERY: Best of 2013: The Biggest Stories of the Year
Bieber lets himself be the butt of many jokes when he sits in Zach Galifianakis' hot seat on Between Two Ferns.