Buzz·Posted on 1 May 201433 Before And After Photos That Prove Good Teeth Can Change Your Entire FaceGood smiles are super important, you guys!by Kimberley DaddsBuzzFeed Staff, UK LinkFacebookPinterestTwitterMail 1. Celine Dion. 2. Zac Efron. 3. LeAnn Rimes. 4. Lindsay Lohan. 5. Noel Gallagher. 6. 50 Cent. 7. Cher Lloyd. 8. Nicolas Cage. 9. Michael Douglas. 10. Cheryl Cole. 11. Tom Cruise. 12. Niall Horan. 13. Kate Beckinsale. 14. Steve-O. 15. Nicola Roberts. 16. Melanie C. 17. David Beckham. 18. Victoria Beckham. 19. David Bowie. 20. Hilary Duff. 21. Keith Urban. 22. Tulisa. 23. Madonna. 24. Matthew Lewis. 25. George Clooney. 26. Gwen Stefani. 27. Morgan Freeman. 28. Miley Cyrus. 29. Louis Walsh. 30. Katie Price. 31. Nicole Kidman. 32. Cristiano Ronaldo. 33. And finally, Ronan Keating.