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Justin Bieber has threatened legal action over claims that his recent #myCalvins shoot were heavily photoshopped.

According to TMZ, the Boyfriend singer's legal team sent a letter threateningBreatheHeavy.com-the original source of the now-infamous photoshop GIF -with a defamation lawsuit.

[related]JB and his gang have alleged the 'before' image BreatheHeavy posted was a fake and they wanted a retraction of their claims.

The website later released a statement agreeing with Justin, saying: "Because BreatheHeavy is not about making anyone feel bad or intentionally stirring the pot (and are definitely not here for lawsuits), we shall retract the story per request.

"Bieber denies the photo is real, and I respect that and will believe him.”

And, in response to claims that his manhood was erm, also enhanced, his trainer Patrick Nilsson set the record straight during an interview with Access Hollywood.

When quizzed about JB's package, he stated: “I can definitely confirm that he is a well-endowed guy. I sound weird saying that, but yes.”

We're glad that one has been cleared up!