 Bieber announced via Twitter that the first single off third studio album, "Believe" was released in March 2012.On March 1, 2012, Bieber appeared on "The Ellen DeGeneres Show" to announce that the first single from his upcoming album, "Believe", was called "Boyfriend" and was released on March 26, 2012.The song was written by Bieber and Mike Posner, and produced by Posner and Mason Levy.