Justin Bieber proves that he’s all grown up now with the release of the music video for his hot new single, “Boyfriend”. Gaining airplay on some of the biggest hip-hop and r&b radio stations, “Boyfriend” seems to be the teen sensation’s biggest single yet, with apparent crossover appeal but still retaining his pop roots. In the video, the Biebs is seen borrowing some swag from Justin Timberlake and spitting game to girls as if he were their boyfriend. Check out the video here!