Justin Bieber Tweets Shirtless Flexing Photo, While Showing Off Calvin Klein Underwear

Justin Bieber in His undies
What happened to Justin's pants?
The Justin Bieber Sex Doll
Oh no! Justin gets naughty?
Justin and Selena
Justin Bieber and Selena Gomez get frisky.
Justin Hits The Beach
Justin Bieber enjoys a shirtless day at the beach.
I guess this would be the real life equivalent to the Justin Beiber sex doll.

Bieber definitely knows how to get his fans all worked up, as the teen has tweeted a topless picture of himself flaunting his abs during rehearsal.

He tweeted… 

Me and @nickdemoura dance rehearsal get ready #watchout http://instagr.am/p/RqBHhugvn5/

Justin, who sparked rumours of a split with Selena Gomez with a ‘single’ photo last week, is currently on his Believe tour – and it will take him around the world, stopping off in North America, Europe, Africa and Asia.

Check out the teaser clip below for Justin’s new Girlfriend fragrance in which he sings an acoustic version of “Boyfriend.”

Check out Justin’s new tattoo.