Listen to Boyfriend (No Backing Vocals) [In the Style of Justin Bieber] {Karaoke Version} online. Boyfriend (No Backing Vocals) [In the Style of Justin Bieber] {Karaoke Version} is an English language song and is sung by Zoom Karaoke. Boyfriend (No Backing Vocals) [In the Style of Justin Bieber] {Karaoke Version}, from the album Zoom Karaoke - Justin Bieber, was released in the year 2013. The duration of the song is 2:50. Download English songs online from JioSaavn.