September 7, 2011 Photos | MTV Buzzworthy: What If Justin Bieber Grew A Mustache? Edit Delete Tags Autopost MTV Buzzworthy: What If Justin Bieber Grew A Mustache? Related Artists Justin Bieber Source: http://www.mtv.com/photos/?fid=1659456Gregory Smith Guillermo Diaz India.Arie Jennifer Ehle Jennifer Schwalbach