How old do you have to be to date Justin Biebers brother?
most people are not sure sorry
Justin doesn't have a 12 year old brother, but he does have a little sister and a baby brother. His sister is only like 2 years old and his baby brother is just a few months old. Although, Justin does have a best friend that he considers his brother. His name is Christian and he is 13 now going to be 14 in November on the 22nd.