Who the f*** is justin bieber, famous phrase told by wise metal singer Ozzy Osbourne into an interview in 2010.

– The Host: What music are you listening now? Do you listen to any music

– Ozzy speaks on his english*

– The host : So you are listen a lot of Justin Bieber

– Ozzy: Who?

– The host : Justin Bieber

– Ozzy: Who the fuck is Justin Bieber.