19 Age-Defying Stars

John Stamos, Halle Berry, Prince, and more we know are getting older, but you can't tell by looking at them
By Hillary Busis
Updated March 10, 2016 at 10:46 PM EST

1 of 19

John Stamos

Credit: Maureen Donaldson/Getty Images; Jason Merritt/Getty Images

Age in first photo: 20
Age in second photo: 48
Verdict: He's Uncle Jesse; of course he's ''Forever'' young.

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2 of 19

Jennifer Garner

Credit: Everett Collection; Larry Busacca/Getty Images

Age in first photo: 25
Age in second photo: 40
Verdict: Yeah, the Neutrogena's working.

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Prince

Credit: AP; Vince Bucci/Getty Images

Age in first photo: 27
Age in second photo: 49
Verdict: There must be something in the Purple Rain.

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Halle Berry

Credit: Getty Images; David Livingston/Getty Images

Age in first photo: 24
Age in second photo: 44
Verdict: As Catwoman, she had nine lives. In real life, she may have even more.

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5 of 19

Jared Leto

Credit: Ron Galella, Ltd./WireImage; Marco Prosch/Getty Images

Age in first photo: 23?
Age in second photo: 39?
Verdict: And this is why we've still got a crush on Jordan Catalano.

6 of 19

Stacey Dash

Credit: Getty Images; Brian To/WireImage

Age in first photo: 23
Age in second photo: 43
Verdict: Clueless writer/director Amy Heckerling's latest movie is about a pair of eternally hot, BFF bloodsuckers — and it's not a stretch to think that she might have been inspired by Dash's supernaturally unlined face.

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7 of 19

Kevin Bacon

Credit: Ron Galella/WireImage; Donna Ward/Getty Images

Age in first photo: 27
Age in second photo: 54
Verdict: Maybe the lower your Bacon Number, the closer you are to immortality. Bacon's number, naturally, is the lowest of them all.

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8 of 19

Lucy Liu

Credit: Getty Images; Alberto E. Rodriguez/Getty Images

Age in first photo: 22
Age in second photo: 43
Verdict: Of course she's ageless -- she's an Angel, after all.

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Tom Cruise

Credit: Getty Images; Steve Granitz/WireImage

Age in first photo: 26
Age in second photo: 49
Verdict: The guy must be doing something right.

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10 of 19

Bianca Lawson

Credit: Jason Kirk/Newsmakers; Victor Decolongon/Getty Images

Age in first photo: 21?
Age in second photo: Five days shy of 33?
Verdict: It takes genes of steel to pull off playing a teenager for 20 years — but Pretty Little Liars actress Lawson has been doing it since her Saved by the Bell: The New Class days.

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11 of 19

Diane Lane

Credit: Getty Images; Jason Merritt/Getty Images

Age in first photo: 19
Age in second photo: 46 (one week before her 47th birthday)
Verdict: Did she suck just a little life out of Richard Gere while filming Unfaithful?

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12 of 19

Keanu Reeves

Credit: Michael Ochs Archives/Getty Images; Randy Holmes/Getty Images

Age in first photo: 26
Age in second photo: 48
Verdict: Whoa.

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Marisa Tomei

Credit: Ron Galella/WireImage; David Livingston/Getty Images

Age in first photo: 28?
Age in second photo: 48?
Verdict: Her character in My Cousin Vinny is named Mona Lisa — fitting, since Tomei's face has proven as timeless as da Vinci's portrait.

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14 of 19

Will Smith

Credit: Getty Images; Jason LaVeris/FilmMagic

Age in first photo: 25
Age in second photo: 44
Verdict: Theory: Men In Black 3 was real, and the man we all think is Will Smith is actually Agent J's time-traveling younger self. It'd make as much sense as that ending.

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15 of 19

Gwen Stefani

Credit: Tim Mosenfelder/Getty Images; Larry Busacca/Getty Images

Age in first photo: 26
Age in second photo: 42
Verdict: She's really a well-dressed ageless goddess, underneath it all.

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Dylan McDermott

Credit: Ron Galella, Ltd./WireImage; Frazer Harrison/Getty Images

Age in first photo: 31
Age in second photo: 50
Verdict: 50 years old?! No way. He's either 35 or 350; there is no middle ground.

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17 of 19

Bernadette Peters

Credit: Manny Hernandez/Getty Images; Amy Sussman/Getty Images

Age in first photo: 48?
Age in second photo: 64
?Verdict: Into the Woods knows what's up: a cow as white as milk, a cape as red as blood, hair as yellow as corn, and slippers as pure as gold are the keys to reversing the aging process.

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18 of 19

Rob Lowe

Credit: Ron Galella/WireImage; Craig Barritt/Getty Images

Age in first photo: 20
Age in second photo: 48
Verdict: He literally stopped getting older after St. Elmo's Fire.

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19 of 19

Paul Rudd

Credit: Ron Galella/WireImage; Pascal Le Segretain/Getty Images

Age in first photo: 29?
Age in second photo: 41?
Verdict: How does the funnyman stay so baby-faced? We're Clueless.

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By Hillary Busis