is a stripped-down version of Justin Bieber's hit single, originally released on his 2010 remix album, My Worlds Acoustic . The acoustic rendition highlights Bieber's early vocals accompanied primarily by acoustic guitar . Track Overview Artist : Justin Bieber Album : My Worlds Acoustic (2010) Length : Approximately 3 minutes and 57 seconds Genre : Acoustic Pop / R&B Key Features One Less Lonely Girl - Acoustic - Spotify