Whenever we see celebs they are usually looking their best, dressed smart and plastered in makeup but have you ever wondered what they looked like before they were famous? If so then check out these pictures of celebrities when they were young and now.

1. Ashley and Jessica Simpson

2. Taylor Swift

3. Avril Lavigne

4. Drew Barrymore

5. Jennifer Aniston

6. Justin Timberlake

7. Kate Hudson

8. Kelly Brooke

9. Matthew Lewis

10. Megan Fox

11. Reese Witherspoon

12. Ryan Seacrest

13. Sarah Jessica Parker

14. Victoria Becham

15. Zac Efron