Paid PostPosted on Apr 5, 2012Beliebers Download Justin Bieber's 'Boyfriend' To Tune Of 500KJustin Bieber's first Believe single, "Boyfriend," sold more than 500,000 copies in its first week, making it the second-best-selling first-week single of all time.by MTVBrand PublisherLinkFacebookPinterestTwitterMail Beliebers Download Justin Bieber's 'Boyfriend' To Tune Of 500K mtv.com