Jusrin Bieber and Taylor Swift together on the album "Believe".We look forward to! Justin has not denied the rumor but neither has said is true. some fans say it will be in June, others will be in August.But do not know when it will be!. But although we did not say when the disk lanamiento ... justin is giving us news! for example that in his new album "Belive" sing a duet with Taylor and his favorite song is "As long as you love me." But surely we love as their new single "Boyfriend"