Good Genes or Good Docs

Hillary Clinton's looks are a facial filibuster!

Here's the then 44-year-old soon-to-be First Lady posing for a photo in Los Angeles back in 1991 (left) and 23 years later -- the now 66-year-old former Secretary of State speaking at an event in New York City earlier this year (right).

Her beauty secrets are classified information!

Ashley and Mary-Kate Olsen's beauty is not going out of style.

Here's the famous "Full House" sisters at a fashion event in New York City shortly after celebrating their 18th birthday back in 2004 (top) and ten years later -- the now 28-year-old fraternal twinsies at another fashion event in New York City (bottom).

Two of a kind.

John Waters' looks are divine.

Here's the then 44-year-old film maker sporting his signature pencil-thin moustache at an east coast film premiere back in 1990 (left) and 24 years later, the now 68-year-old cult classic icon at his book release last week in NYC (right).

"Beauty is looks you can never forget."

Chris' good looks are as solid as a ROCK!

Here's a 26-year-old version of the SNL funny man at a Los Angeles theater back in 1991 (left) and 23 years later -- the now 49-year-old comedy god making an appearance on a TV show in New York City earlier this week (right).

His handsome face is nothing to laugh at.

Martha Stewart's beauty has never been locked up!

Here's a then 48-year-old version (complete with blue contacts) of the farm chic star at a Hollywood movie premiere back in 1989 (left) and 25 years later -- the now brown-eyed 72-year-old media mogul at a party in NYC earlier this year (right).

What's cookin' good lookin'?

There's nothing funny about Jason Alexander's looks!

Here's the the 35-year-old "Seinfeld" star at a comedy benefit back in 1994 (left) and 20 years later, the now 54-year-old father of two at a fancy ball in Beverley Hills earlier this week (right).

Alicia Silverstone is still a total betty!

Here's the 18-year-old version of the uber-cute "Clueless" star at a premiere in Los Angeles back in 1994 (left) -- and 20 years later, the now 37-year-old mother and author at a book signing in New York earlier this month (right).

Bob Saget's looks are nothing to laugh at!

Here's the then 38-year-old "Full House" patriarch at a hockey game in Los Angeles back in 1994 (left) and 20 years later, the foul mouthed 57-year-old father of three at a book event in New York City earlier this month (right).

Leslie Mann she looks good!

Here's the then 24-year-old "Cable Guy" babe at a premiere in Los Angeles back in 1996 (left) and 18 years later, the now 42-year-old mother of two at a movie conference in Las Vegas earlier this year (right).

Julie Bowen's beauty is a modern miracle!

Here's the then 26-year-old babe in the golf comedy "Happy Gilmore" back in 1996 (left) -- and 18 years later, the 43-year-old "Modern Family" mom earlier in the year in Sydney, Australia (right).

Salma Hayek has always kept a lid on her incredibly good looks.

Here's the then 32-year-old "Dogma" actress showing off in a lilac "Blossom" inspired bucket hat at an LA premiere in 1998 (left) and 16 years later -- the now 47-year-old "30 Rock" star looking tough in a black biker cap at a fashion show in Milan earlier this month (right).

Our hats off to her.

Elle Macpherson is a model of genetic superiority.

Here's the then 25-year-old Sports Illustrated cover girl at a New York City event back in 1989 (left) and 25 years later -- the now 49-year-old mother of two at a fashion event in Paris earlier this year (right).

Elle-oh!

Kurt Russell's looks are "The Thing" that dreams are made of.

Here's the then 38-year-old "Captain Ron" star at a movie theater in Universal City back in 1989 (left) -- and 25 years later... the now 62-year-old A-lister at the Sundance Film Festival earlier this year (right).

Cate Blanchett's face has a curious case of the "Benjamin Button."

Here's the the 29-year-old "Elizabeth" actress at a premiere back in 1998 (left) -- and 16 years later, the flawless 44-year-old "Lord of the Rings" face at a Beverly Hills hotel last week (right).

Tim Allen's looks need no major improvements.

Here's a 39-year-old version of the "Home Improvement" patriarch at an awards show in Los Angeles back in 1992 (left) -- and 21 years later, the 60-year-old "The Santa Claus" actor on the red carpet in Beverly Hills earlier this year (right).

Martin Sheen's looks are not "Badlands."

Here's the 35-year-old version of the "Apocalypse Now" actor giving a grimace back in 1975 (left) -- and 38 years later, the 73-year-old "The West Wing" alum shootin' the same smile at a gala in Dubai (right).