New clip, which debuted Thursday on MTV, sets Bieber up to launch the next phase of his career. By James Montgomery Justin Bieber in his “Boyfriend” music video Photo: Island/Def Jam If you are reading this, then you are probably aware that Justin Bieber turned 18 back in March . I only mention it now because it helps explain JB’s brand-new “Boyfriend” video, which premiered Thursday night (May 3) on MTV and is pretty much an 18-year-old male’s fantasy in every conceivable way (or at least most of them). Filled with cool clothes, hot cars and even hotter women , “Boyfriend” — directed by the mysteriously named Director X (n
