Celebrity·Posted on May 14, 202252 People Who Have Had Some Pretty Huge Or Pretty Small Transformations Since 2003Paul Rudd, what is your secret???by Matt StoperaBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Dylan and Cole Sprouse in 2003: Dylan and Cole Sprouse in 2022: 2. Ashton Kutcher in 2003: Ashton Kutcher in 2022: 3. Danielle Fishel in 2003: Danielle Fishel in 2022: View this photo on Instagram 4. Prince Harry in 2003: Prince Harry in 2022: 5. Justin Timberlake in 2003: Justin Timberlake in 2022: 6. JC Chasez in 2003: JC Chasez in 2022: 7. Hilary Duff in 2003: Hilary Duff in 2022: View this photo on Instagram 8. Joey Fatone in 2003: Yes, that's the pope on his shirt. Joey Fatone in 2022: View this photo on Instagram 9. Lance Bass in 2003: Lance Bass in 2022: View this photo on Instagram 10. Prince William in 2003: Prince William in 2022: 11. Halle Berry in 2003: Halle Berry in 2022: 12. Matthew McConaughey in 2003: Matthew McConaughey in 2022: 13. Tyra Banks in 2003: Tyra Banks in 2022: View this photo on Instagram 14. Lindsay Lohan in 2003: Lindsay Lohan in 2022: View this photo on Instagram 15. Paris Hilton in 2003: Paris Hilton in 2022: 16. Nicole Richie in 2003: Nicole Richie in 2022: View this photo on Instagram 17. Bow Wow in 2003: Bow Wow in 2022: View this photo on Instagram 18. Frankie Muniz in 2003: Frankie Muniz in 2022: View this photo on Instagram 19. Mario Lopez in 2003: Mario Lopez in 2022: View this photo on Instagram 20. Mark-Paul Gosselaar in 2003: Mark-Paul Gosselaar in 2022: 21. Brandy in 2003: Brandy in 2022: View this photo on Instagram 22. Haley Joel Osment in 2003: Haley Joel Osment in 2022: 23. Serena Williams in 2003: Serena Williams in 2022: 24. Nick Lachey in 2003: Nick Lachey in 2022: 25. Jessica Simpson in 2003: Jessica Simpson in 2022: View this photo on Instagram 26. Ashlee Simpson in 2003: Ashlee Simpson in 2022: View this photo on Instagram 27. Venus Williams in 2003: Venus Williams in 2022: 28. Rachael Leigh Cook in 2003: Rachael Leigh Cook in 2022: View this photo on Instagram 29. Tara Reid in 2003: Tara Reid in 2022: View this photo on Instagram 30. Michelle Branch in 2003: Michelle Branch in 2022: View this photo on Instagram 31. Chris Klein in 2003: Chris Klein in 2022: 32. Shane West in 2003: Shane West in 2022: 33. Reese Witherspoon in 2003: Reese Witherspoon in 2022: 34. Sarah Michelle Gellar in 2003: Sarah Michelle Gellar in 2022: View this photo on Instagram 35. Freddie Prinze Jr. in 2003: Freddie Prinze Jr. in 2022: View this photo on Instagram 36. Enrique Iglesias in 2003: Enrique Iglesias in 2022: View this photo on Instagram 37. Jeff Bezos in 2003: Jeff Bezos in 2022: 38. Ricky Martin in 2003: Ricky Martin in 2022: View this photo on Instagram 39. Britney Spears in 2003: Britney Spears in 2022: View this photo on Instagram 40. Madonna in 2003: Madonna in 2022: View this photo on Instagram 41. Gwen Stefani in 2003: Gwen Stefani in 2022: 42. Glenn Close in 2003: Glenn Close in 2022: 43. Lil' Kim in 2003: Lil' Kim in 2022: View this photo on Instagram 44. Johnny Knoxville in 2003: Johnny Knoxville in 2022: 45. Eminem in 2003: Eminem in 2022: 46. Beyoncé in 2003: Beyoncé in 2022: 47. Jennifer Lopez in 2003: Jennifer Lopez in 2022: 48. Kristen Stewart in 2003: Kristen Stewart in 2022: 49. Keanu Reeves in 2003: Keanu Reeves in 2022: 50. Jennifer Aniston in 2003: Jennifer Aniston in 2022: View this photo on Instagram 51. Ryan Seacrest in 2003: Ryan Seacrest in 2022: 52. And last but not least, Paul Rudd in 2003: Paul Rudd in 2022: