At first it was his fans who angered him. But now it seems an interviewer for a radio show rubbed Justin Bieber the wrong way. Comparisons to Justin Timberlake and references to Bieber's mom may have been the reasons that angered Bieber. But this was nothing compared to what came next. When the radio host joked that One Direction's Harry Styles might end up seducing Bieber's mom, given his penchant for older women, Bieber blew a fuse.