1. Sir Ian McKellen now: Gareth Cattermole / Getty Images
Sir Ian McKellen when he was exactly 30 years old: Evening Standard / Getty Images
2. Meryl Streep now: Getty Images / Getty Images for Equality Now
Meryl Streep when she was exactly 30 years old: Jack Mitchell / Getty Images
3. John Travolta now: Rodin Eckenroth / Getty Images for G'Day USA
John Travolta when he was exactly 30 years old: Ron Galella / Ron Galella Collection via Getty Images
4. Christopher Walken now: Nicholas Hunt / Getty Images
Christopher Walken when he was exactly 30 years old: Jack Mitchell / Getty Images
5. Jackie Chan now: VCG / VCG via Getty Images
Jackie Chan when he was exactly 30 years old: Pierre Perrin / Gamma-Rapho via Getty Images
6. Cate Blanchett now: Guglielmo Mangiapane / Reuters
Cate Blanchett when she was exactly 30 years old: Patrick Riviere / Getty Images
7. Dolly Parton now: John Lamparski / Getty Images
Dolly Parton when she was exactly 30 years old: Vincent Mcevoy / Redferns / Getty Images
8. Robert De Niro now: Pool / Getty Images
Robert De Niro when he was exactly 30 years old: Michael Ochs Archives / Getty Images
9. Paul Rudd now: Roy Rochlin / Getty Images
Paul Rudd when he was exactly 30 years old: Ron Galella Ltd. / Ron Galella Collection via Getty Images
10. Madonna now: Madonna when she was exactly 30 years old: Jeffrey Asher / Getty Images
11. Jennifer Lopez now: Lucas Jackson / Reuters
Jennifer Lopez when she was exactly 30 years old: Brenda Chase / Getty Images
12. Jennifer Aniston now: Mario Anzuoni / Reuters
Jennifer Aniston when she was exactly 30 years old: Dan Callister / Getty Images
13. Rowan Atkinson, aka Mr. Bean, now: VCG / Visual China Group via Getty Images
Rowan Atkinson, aka Mr. Bean, when he was exactly 30 years old: Fox Photos / Getty Images
14. Dwayne "The Rock" Johnson now: Mario Anzuoni / Reuters
Dwayne "The Rock" Johnson when he was exactly 30 years old: Vince Bucci / Getty Images
15. Oprah now: Getty Images
Oprah when she was exactly 30 years old: Chicago Tribune / Tribune News Service via Getty Images
16. Catherine O'Hara now: 27th Annual SAG Awards / Getty Images for WarnerMedia
Catherine O'Hara when she was exactly 30 years old: Nbc / NBCUniversal via Getty Images
17. Julia Roberts now: Danny Moloshok / Reuters
Julia Roberts when she was exactly 30 years old: John Mottern / Getty Images
18. Nicole Kidman now: Danny Moloshok / Reuters
Nicole Kidman when she was exactly 30 years old: Vince Bucci / Getty Images
19. Celine Dion now: Pascal Le Segretain / Getty Images
Celine Dion when she was exactly 30 years old: Vince Bucci / Getty Images
20. Denzel Washington now: Kevin Winter / Getty Images
Denzel Washington when he was exactly 30 years old: NBC / Getty Images
21. Jessica Lange now: John Lamparski / Getty Images
Jessica Lange when she was exactly 30 years old: McBride / McBride / Mediapunch / Shutterstock
22. RuPaul now: Producers Guild of America / Getty Images
RuPaul when he was exactly 30 years old: Michel Delsol / Getty Images
23. Halle Berry now: Frazer Harrison / Getty Images
Halle Berry when she was exactly 30 years old: Spellman / Spellman / Shutterstock / Getty Images
24. Will Smith now: Frederic J. Brown / Getty Images
Will Smith when he was exactly 30 years old: Richard Drew / Richard Drew / AP / Shutterstock
25. Amy Poehler now: Roy Rochlin / Getty Images
Amy Poehler when she was exactly 30 years old: Matt Baron / Matt Baron / BEI / Shutterstock / Getty Images
26. Helen Mirren now: Rachel Murray / Getty Images
Helen Mirren when she was exactly 30 years old: Barry Beattie / Barry Beattie / Shutterstock
27. Alec Baldwin now: Astrid Stawiarz / Getty Images
Alec Baldwin when he was exactly 30 years old: Moviestore / Moviestore / Shutterstock
28. Diana Ross now: Omar Vega / Getty Images
Diana Ross when she was exactly 30 years old: Harry Langdon / Getty Images
29. Whoopi Goldberg now: Miguel Medina / Getty Images
Whoopi Goldberg when she was exactly 30 years old: Mario Suriani / Mario Suriani / AP / Shutterstock
30. Idris Elba now: Getty Images
Idris Elba when he was exactly 30 years old: David Lee / David Lee / HBO / Blown Deadline / Kobal / Shutterstock
31. Tom Hanks now: Alberto E. Rodriguez / Getty Images
Tom Hanks when he was exactly 30 years old: Globe Photos / Globe Photos / Mediapunch / Shutterstock
32. Matthew McConaughey now: Getty Images
Matthew McConaughey when he was exactly 30 years old: Richard Young / Shutterstock / Getty Images
33. Keanu Reeves now: Robyn Beck / Getty Images
Keanu Reeves when he was exactly 30 years old: Dave Lewis / Dave Lewis / Shutterstock
34. Nicolas Cage now: Jon Kopaloff / Getty Images
Nicolas Cage when he was exactly 30 years old: Shutterstock / Getty images
35. Sandra Bullock now: Bryan Bedder / Getty Images
Sandra Bullock when she was exactly 30 years old: Richard Young / Richard Young / Shutterstock
36. Jamie Lee Curtis now: Michael Tullberg / Getty Images
Jamie Lee Curtis when she was exactly 30 years old: Elisa Leonelli / Elisa Leonelli / Shutterstock
37. Lenny Kravitz now: Bravo / NBCU Photo Bank via Getty Images
Lenny Kravitz when he was exactly 30 years old: Paul Natkin / WireImage / Getty Images
38. Sam Elliott now: Gregg Deguire / FilmMagic / Getty Images
Sam Elliott when he was exactly 30 years old: Walt Disney Television Photo Arc / ABC
39. Brad Pitt now: Amy Sussman / Getty Images
Brad Pitt when he was exactly 30 years old: Bei / Bei / Shutterstock / Getty Images
40. Laura Dern now: Frazer Harrison / Getty Images
Laura Dern when she was exactly 30 years old: Stewart Cook / Getty Images
41. Arnold Schwarzenegger now: Alex Halada / AFP via Getty Images
Arnold Schwarzenegger when he was exactly 30 years old: Michael Ochs Archives / Getty Images
42. Cher now: Roberto Schmidt / Getty Images
Cher when she was exactly 30 years old: 43. Diane Keaton now: Valerie Macon / Getty Images
Diane Keaton when she was exactly 30 years old: 44. Janet Jackson now: Janet Jackson when she was exactly 30 years old: L. Busacca / WireImage / Getty Images
45. Sir Patrick Stewart now: Emma Mcintyre / Getty Images
Sir Patrick Stewart when he was exactly 30 years old: Evening Standard / Getty Images
46. Matthew Perry now: Matthew Perry when he was exactly 30 years old: Ronald Siemoneit / Sygma via Getty Images
47. David Schwimmer now: NBC / NBCU Photo Bank via Getty Images
David Schwimmer when he was exactly 30 years old: Eric Robert / Sygma via Getty Images
48. Jim Carrey now: Albert L. Ortega / Getty Images
Jim Carrey when he was exactly 30 years old: Donaldson Collection / Getty Images
49. Adam Sandler now: Arturo Holmes / Getty Images for Film Independent
Adam Sandler when he was exactly 30 years old: Archive Photos / Getty Images
50. Rob Lowe now: Eric Mccandless / ABC via Getty Images
Rob Lowe when he was exactly 30 years old: Ron Galella / Ron Galella Collection via Getty Images
51. Woody Harrelson now: Eric Mccandless / ABC via Getty Images
Woody Harrelson when he was exactly 30 years old: Ron Galella / Ron Galella Collection via Getty Images
52. Sigourney Weaver now: Edward Berthelot / Getty Images
Sigourney Weaver when she was exactly 30 years old: Edward Berthelot / Getty Images
53. Jack Nicholson now: Allen Berezovsky / Getty Images
Jack Nicholson when he was exactly 30 years old: United Archives / FilmPublicityArchive / United Archives via Getty Images
54. Ben Stiller now: Peter Kramer / NBCU Photo Bank via Getty Images
Ben Stiller when he was exactly 30 years old: Jim Smeal / Ron Galella Collection via Getty Images
55. Debbie Harry now: Dia Dipasupil / Getty Images for Tribeca Festival
Debbie Harry when she was exactly 30 years old: Dia Dipasupil / Getty Images for Tribeca Festival
56. Ricky Martin now: Paul Morigi / Getty Images
Ricky Martin when he was exactly 30 years old: Picture Alliance / Picture Alliance via Getty Images
57. Eddie Murphy now: 52nd NAACP Image Awards / via Getty Images
Eddie Murphy when he was exactly 30 years old: Micheline Pelletier / Corbis via Getty Images
58. Anjelica Huston now: Jb Lacroix / Getty Images
Anjelica Huston when she was exactly 30 years old: Ron Galella / Ron Galella Collection via Getty Images
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