There's a trend on Twitter right now where people are posting pictures of themselves when they were 18 vs. now. Because I love a good then and now, let's revisit what some celebs looked like when they were exactly 18 vs. now. 1. Prince William now: Wpa Pool / Getty Images
Prince William when he was 18: John Li / Getty Images
2. Tony Hawk now: Michael Bezjian / Getty Images for Mammoth Media Institute
Tony Hawk when he was 18: Paul Harris / Getty Images
3. Justin Timberlake now: Justin Timberlake when he was 18: Lawrence Lucier / Getty Images
4. Christina Aguilera now: Christina Aguilera when she was 18: Chris Weeks / Getty Images
5. Bow Wow now: Bow Wow when he was 18: Vince Bucci / Getty Images
6. Zac Efron now: Zac Efron when he was 18: Frazer Harrison / Getty Images
7. Britney Spears now: Britney Spears when she was 18: Scott Gries / Getty Images
8. Drake now: Drake when he was (about) 18: Jeffrey Mayer / WireImage / Getty Images
9. Miley Cyrus now: Miley Cyrus when she was 18: Alberto E. Rodriguez / Getty Images
10. Jennifer Lawrence now: Rich Fury / Getty Images
Jennifer Lawrence when she was 18: Alberto E. Rodriguez / Getty Images
11. Jennifer Aniston now: Jennifer Aniston when she was 18: Barry King / Getty Images
12. Leonardo DiCaprio now: Parrot Pics/ Backgrid
Leonardo DiCaprio when he was 18: Steve Eichner / Getty Images
13. Reese Witherspoon now: Reese Witherspoon when she was 18: Patrick Riviere / Getty Images
14. Sarah Jessica Parker now: Getty Images
Sarah Jessica Parker when she was 18: Walter Mcbride / Getty Images
15. Tom Cruise now: Kevin Winter / Getty Images
Tom Cruise when he was 18: Ron Galella / Ron Galella Collection via Getty Images
16. Will Smith now: Will Smith when he was 18: Barry King / WireImage / Getty Images
17. David Beckham now: David Beckham when he was 18: Gary M. Prior / Getty Images
18. Jake Gyllenhaal now: Mark Sagliocco / Getty Images
Jake Gyllenhaal when he was 18: Time & Life Pictures / The Life Picture Collection via Getty Images
19. Tyra Banks now: Tyra Banks when she was 18: Victor Virgile / Getty Images
20. Cher now: Dominik Bindl / Getty Images
Cher when she was 18: Powell / Getty Images
21. Gwyneth Paltrow now: Gwyneth Paltrow when she was 18: Cbs Photo Archive / CBS via Getty Images
22. Freddie Prinze Jr. now: Freddie Prinze Jr. when he was 19 (close enough, though): Jim Smeal / Ron Galella Collection via Getty Images
23. Sarah Michelle Gellar now: Sarah Michelle Gellar when she was 18: Ron Galella Ltd. / Ron Galella Collection via Getty Images
24. Blake Lively now: Blake Lively when she was 18: Mark Davis / Getty Images
25. Prince Harry now: Tolga Akmen / Getty Images
Prince Harry when he was 18: Carl De Souza / Getty Images
26. LeBron James now: Harry How / Getty Images
LeBron James when he was 18: Carlo Allegri / Getty Images
27. Selena Gomez now: Selena Gomez when she was 18: Noel Vasquez / Getty Images
28. Justin Bieber now: Justin Bieber when he was 18: Handout / Getty Images
29. Taylor Swift now: Neilson Barnard / Getty Images
Taylor Swift when she was 18: Ethan Miller / Getty Images
30. Ariana Grande now: Ariana Grande when she was 18: Neilson Barnard / Getty Images
31. Beyoncé now: Gareth Cattermole / Getty Images
Beyoncé when she was 18: Chris Weeks / Getty Images
32. Kylie Jenner now: Kylie Jenner when she was 18: Jamie Mccarthy / Getty Images
33. Kendall Jenner now: Kendall Jenner when she was 18: Taylor Hill / Getty Images
34. Wilmer Valderrama now: Wilmer Valderrama when he was 18: Ron Galella, Ltd. / Ron Galella Collection via Getty Images
35. Rihanna now: Rihanna when she was 18: Rob Loud / Getty Images
36. Rider Strong now: Rider Strong when he was 18: Taylor Hill / Getty Images
37. Devon Sawa now: Devon Sawa when he was 18: Ron Galella, Ltd. / Ron Galella Collection via Getty Images
38. James Van Der Beek now: James Van Der Beek when he was 18: Jim Smeal / Ron Galella Collection via Getty Images
39. Paris Hilton now: Paris Hilton when she was 18: Vince Bucci / Getty Images
40. Nicole Richie now: Nicole Richie when she was 18: David Klein / Getty Images
41. Dylan and Cole Sprouse now: George Pimentel / Getty Images
Dylan and Cole Sprouse when they were 18: Paul Archuleta / FilmMagic / Getty Images
42. Vanessa Hudgens now: Vanessa Hudgens when she was 18: Alison Buck / WireImage for Kari Feinstein PR
43. Hilary Duff now: Hilary Duff when she was 18: Scott Gries / Getty Images
44. Lindsay Lohan now: Lindsay Lohan when she was 18: Evan Agostini / Getty Images
45. Ashley Tisdale now: Ashley Tisdale when she was 18: Frazer Harrison / Getty Images
46. Joshua Jackson now: Neil Mockford / GC Images, / Getty Images
Joshua Jackson when he was 18: Getty Images
47. Nick Jonas now: Nick Jonas when he was 18: John Parra / Getty Images / Via Getty Images
48. Joe Jonas now: Joe Jonas when he was 18: Frazer Harrison / Getty Images
49. Mandy Moore now: Mandy Moore when she was 18: Kevin Winter / Getty Images
50. Mario Lopez now: Mario Lopez when he was 18: Nbc / NBCUniversal via Getty Images
51. Mark-Paul Gosselaar now: Temma Hankin / ABC via Getty Images
Mark-Paul Gosselaar when he was 18: Stephane Cardinale - Corbis / Corbis via Getty Images
52. Kate Hudson now: Kate Hudson when she was 18: Jeff Kravitz / FilmMagic / Getty Images
53. Scarlett Johansson now: VH1
Scarlett Johansson when she was 18: Carlo Allegri / Getty Images
54. Anne Hathaway now: VH1
Anne Hathaway when she was 18: J. Emilio Flores / Getty Images
55. Emma Stone now: Frazer Harrison / Getty Images
Emma Stone when she was 18: Frederick M. Brown / Getty Images
56. Michael B. Jordan now: Dimitrios Kambouris / Getty Images
Michael B. Jordan when he was 18: Brad Barket / Getty Images
57. Avril Lavigne now: Avril Lavigne when she was 18: Donald Weber / Getty Images
58. Neil Patrick Harris now: Neil Patrick Harris when he was 18: Ron Galella Ltd. / Ron Galella Collection via Getty Images
59. Madonna now: Madonna when she was 18: Michael Mcdonnell / Getty Images
60. Jessica Simpson now: Jessica Simpson when she was (about) 18: Jim Smeal / Ron Galella Collection via Getty Images
61. Ashlee Simpson now: Ashlee Simpson when she was 18: Jon Kopaloff / Getty Images
62. Cristiano Ronaldo now: Cristiano Ronaldo when he was 18: Martin Rickett - Pa Images / PA Images via Getty Images
63. Lorde now: Ndz / GC Images
Lorde when she was 18: Nbc / NBCU Photo Bank / NBCUniversal via Getty Images
64. Mary Kate and Ashley Olsen now: Sean Zanni / Patrick McMullan via Getty Images
Mary Kate and Ashley Olsen when they were 18: L. Cohen / WireImage / Getty Images
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