Canadian pop star Justin Bieber has teamed with country sensation Taylor Swift on a new song for his third album, though details were scant as the Boyfriend singer keeps fans guessing. Bieber told Capital FM that Swift was one of several people he had worked with on Believe. \"The whole album ranges differently,\" Bieber said. Bieber, 18, did not give the title of the song he wrote with Swift, 22, nor did he say if the pair would sing it together. From: Gulfnews