Teen pop sensation Justin Bieber on Wednesday unveiled the dates for a 46-stop tour to support his upcoming third studio album "Believe," which is slated to hit stores on June 19th.  The tour, which will be supported by Carly Rae Jepsen and another, as-yet-unnamed act, will kick off September 29th in Glendale, Arizona and wraps up next January 26th in Miami, Florida.  Click Here for a complete list of dates, and check out the video for Bieber's latest single, "Boyfriend," which has sold nearly 2 million digital copies in just under two months.