Video: Justin Bieber's New Song 'Boyfriend' is His Biggest Hit Ever

| by Michael Allen

Justin Bieber's new single 'Boyfriend' has sold 520,000 downloads in its first week. The tune is second only to Flo Rida's 'Right Round,' the record holder for first week sales at 636,000.

Billboard magazine says 'Boyfriend' has been played 3,961 times on the radio during its first week, while the official posting of the track on YouTube has been played 5.6 million times since it was uploaded on March 27.

To fuel the sales fire of his biggest single to date, Bieber has released numerous teaser videos for 'Boyfriend' below: