I thing he has sibling
purple
Hell no.
Libby Trickett has one sister called Justine.
No he has no step or half brothers or sisters.He is an only child.
he doesn't exist. Who the heck is Justing Bierber?
alice bieber
Justin bieber has a sister, her names jazmyne :D
Libby Trickett, nee Lenton, has one sister, named Justine.
She would be your step-sister
Jonas Brothers don't have a sister
No of cource not!
When showering.