This Dad Is Justin Bieber's Biggest Fan 1.35K Matt Cherette 09/20/10 11:25AM Filed to: Bieber Fever Bieber Fever Justin bieber Music Parents dad Video tweet TV Has your dad ever embarrassed you? OK, how about this: has your dad ever embarrassed you by overtaking your Justin Bieber-themed performance video and shaking his groove thang all over the room as you and your sister observed in horror?[The Daily What]