Justin Bieber announces new collaboration with Taylor Swift. Hey everyone this is Ani Esmailian for Stereotude. Bieber, who is practically besties with Taylor Swift, has announced that he's going to do a duet with TayTay. During an interview with Capital FM in the UK, Bieber said quote "I wrote a song with Taylor Swift, so the whole album ranges differently." The unlikely duet will appear on his upcoming album Believe. They should get Selena Gomez in on that duet, that’ll be like teeny bopper heaven! For more on Justin's upcoming album and reported duets, check out Stereotude.com!