How well do you know Justin Bieber?

How well do YOU know Justin Bieber? Find out now.!

1 How old is Justin Bieber?
2 What is his sisters name ?
3 When did 'My World' come out ?
4 Who is his manager ?
5 What's his middle name ?
6 What's his mom and dads name ?
7 Where does Justin live now ?
8 Finish the words, "nows the perfect time for me to ... "
9 Whats Justin Biebers favorite color ?
10 Whats Justin Biebers Twitter username ?
11 Who did Justin Bieber dedicate "Favorite Girl" to ?