Good Genes or Good Docs

Here's the 30-year-old back in 1973 (left) -- and 36 years later, the 66-year-old version at an event in Hollywood late last year (right).

Here's the amazing 62-year-old back in 1984 (left) -- and 26 years later, the fabulous 88-year-old version at an award show in L.A. last month (right).

It's amazing what not hosting "Saturday Night Live" will do for a gal.

Here's the 35-year-old legendary singer back in 1975 (left) -- and 35 years later, the 70-year-old version at an event in Paris last month (right).

Proud Mary!

Here is the 27-year-old Bond girl back in 1979 (left) -- and 30 years later, the same 58-year-old smokin' babe in Fort Lauderdale (right).

Jane's look has never gone plain.

Here's the 27-year-old back in 1980 (left) -- and 30 years later, the 57-year-old at the opening of his new live show in L.A. this week (right).

Aging this well should be illegal.

Here's the 27-year-old Oscar winner back in 1972 (left) -- and 37 years later, the 64-year-old version in NYC last month (right).

Goldie's look seems just like old times.

Here's the 25-year-old soul singer back in 1984 (left) -- and 25 years later, the 50 year-old version at some event in NYC this week (right).

The sweetest taboo, indeed.

Here's the 24-year-old back in 1980 (left) -- and 29 years later, the 53-year-old version at some event in Phoenix earlier this year (right).

Saying she's gorgeous would be conservative.

Here's the 23-year-old "Flamingo Kid" back in 1987 (left) - and 22 years later, the 45-year-old version at some event in NYC last week (right).

He's to die for.

Here's the 31-year-old Oscar-winner back in 1965 (left) -- and 44 years later, the 75-year-old version at some event in London this week (right).

Ciao bella.

Here's the 25-year-old back in 1988 (left) -- and 21 years later, the 46-year-old version in London earlier this year (right).

Go, Johnny, go.

Here's the 21-year-old German stunner back in 1991 (left) -- and 18 years later, the 39-year-old version in London this week (right).

Super model, in deed.

Here's the 37-year-old Oscar winner back in 1983 (left) -- and 26 years later, the 63-year-old version at an event in NYC last week (right).

It's amazing what not getting married to your partner of over 20 years can do for a gal.

Here's a 26-year-old David Bowie back in 1973 (left) -- 36 years later, the 62-year-old version at a film festival in New York City (right).

He must have his own "Tin Machine."

Here's the 21-year-old Brat Pack member back in 1985 (left) -- and 24 years later, the 45-year-old version at the Emmys last week (right).

He must really have "Youngblood."

Here's the 34-year-old natural brunette back in 1975 (left) -- and 34 years later, the 68-year-old version at an event in Toronto on Wednesday (right).

Viva las sunglasses!