1. 

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

2. 

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

3. 

What was Justin's debut single?

4. 

What was Justin's original YouTube channel username?

5. 

What is Justin's full name?

6. 

Which pop singer has Justin NOT collaborated with?

7. 

Where was Justin born?

8. 

What was Justin's debut album called?