1. 

What was Justin's original YouTube channel username?

2. 

What is Justin's full name?

3. 

What was Justin's debut album called?

4. 

Which pop singer has Justin NOT collaborated with?

5. 

Where was Justin born?

6. 

When did Justin's documentary 'Never Say Never' first release?

7. 

Justin's collaboration with Ariana Grande was called...

8. 

What was Justin's debut single?