Instagram continues to explode with the latest photo taken by Bieber of his bare buttocks. While "Beliebers" are screaming in delight for the picture, some "Selenators" are taking the photo a bit too seriously. According to sources, Justin posted the photo as an indirect diss towards Selena's newest promotional poster for her film, "Spring Breakers." Now the big question is: Who has the cuter butt?

The original photo of Bieber's butt posted on Instagram might have been deleted but thanks to netizens it's already widely spread in the web. This just goes to show that nothing ever goes unnoticed in the World Wide Web especially if it comes to big celebrities like Justin Bieber.

Getting a laugh out of life, Bieber posted a photo of him and his bare behind for his Instagram followers. The photo had gotten quite the attention in a matter of seconds. In the photo, Bieber is seen wearing his black tank, a baseball cap, sunnies and his shorts pulled down really low showing the crack of his bum.

Bieber's butts was taken off Instagram a few seconds after but leave it to Scooter Braun to make things even more hilarious. Justin's manager had taken to Twitter to explain the photo saying it was a mere prank.

"As a prankster u have to respect another good prank. only makes sense. #crackdealer," stated Braun.

While the prank is hilarious as hell for "Beliebers", some fans of Selena Gomez claim it was an indirect diss at the new promotional poster for "Spring Breakers." In the photo, Selena Gomez, Vanessa Hudgens, Ashley Benson and Rachel Korine have latched on to each others' butts.

Well, whatever the reason Justin has of showing his bare butt on Instagram some fans are greatly happy. This isn't the first time Justin has revealed his bare bottoms to his fans. In fact, Justin has been getting rowdy on stage during his concerts. The 18-year old has gone to taking off his shirts on stage to showing off a bit of his underwear and what's hidden underneath. A source to US Weekly confirms that Justin is doing all this for a change.

"Justin wanted to change his image around his 18th birthday last March," says the insider, adding, "Justin wanted to move from being pop-py to sexy."

Take a look at the slideshow and see who has the cuter butt, Selena Gomez or Justin Bieber?

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