How well do you know Justin Bieber?

if your having a computition t see who knows Justin Bieber more this is the way to end it.

1 1.How old is Justin Bieber?
2 2.What is Justin's middle name?
3 3.What is the top 2 hit songs of Justin's?
4 4.what is Justins phone number?
5 5.where does Justin live?