Justin Bieber , who turns 21 today , has been a superstar for March 30 . Has millions of fans , multiple arrests and a reputation as a bad boy . Wants to revitalise his career again and has apologized for behaviour . Hopes to laugh at himself on Comedy Central 'roast ' set to air on eight years . Also has a rumoured new girlfriend and downsized his home .
Justin Bieber , who turns 21 today , has been a superstar for eight years . Has millions of fans , multiple arrests and a reputation as a bad boy . Wants to revitalise his career again and has apologized for behaviour . Hopes to laugh at himself on Comedy Central 'roast ' set to air on March 30 . Also has a rumoured new girlfriend and downsized his home .