You can't.
Justin Bieber has the right to date anybody he wants, provided they want to date him too. If you were truly a fan you would accept that and let him be happy. Attempting to 'get rid' of his girlfriend isn't exactly going to make you number one fan.
no i cant be Justin Biebers girlfriend because, I am Justin Beiber.
Justin biebers girlfriend have to be 5 foot tall like me lol xxx
Canada
no
Miley Cyrus was Justin Biebers ex girlfriend.
Rihanna
No. = l
15
he doesn't have a girlfriend
16
yes
Selena Gomez