Good Genes or Good Docs

Lou Ferrigno's good looks are incredible!

Here's the then 29-year-old "Incredible Hulk" actor in a promo photo back in 1980 (left) -- and 33 years later the now 61-year-old muscle man at a convention earlier this year (right).

Tyra Banks is a SUPER model.

Here's the natural looking 21-year-old smizing for a photo outside of a NYC comedy club back in 1994 (left) -- and 19 years later the 39-year-old model turned TV host serving face on a late night show earlier this week (right).

Becky Donaldson is still a bombshell!

Here's the 24-year-old "Full House" babe leaving a Beverly Hills benefit back in 1988 (left) -- and the now 49 year-old mother of two at a press gala this week (right).

Lisa Rinna is lookin' nifty for fifty.

Here's the 32-year-old "Days of Our Lives" actress at an awards show back in 1995 (left) -- and 18 years later the now 50-year-old mother of two was spotted at a fund raising recently looking comely (right).

Chuck Norris is an American MAN!

Here's the 46-year-old martial arts master at the Second Annual Stuntman Awards back in 1986 (left) -- and the 72-year-old bearded badass at a movie premiere late last year (right).

Cindy Crawford left her mark on the modeling world.

Here's the then 24-year-old looker at a fragrance launch in New York City back in 1990 (left) and 23 years later the 47-year-old mother of two at a store opening in Los Angeles this week (right).

Samuel L. Jackson's looks are off the chains.

Here's the foul-mouthed 47-year-old "Pulp Fiction" gangster hanging out in Beverly Hills back in 1995 (left) -- and 18 years later the 64-year-old "Django Unchained" actor at a benefit gala earlier this month (right).

Dean Cain is a Superman.

Here's the 26-year-old "Lois and Clark" actor back in 1993 (left) -- and twenty years later, the 46-year-old "Ripley's Believe It or Not" host at the Philly Comic-con last month (right).

Do ya still think Rod Stewart's sexy?

Here's the 29-year-old "Maggie May" singer back in 1974 (left) and nearly 40 years later, the 68-year-old British rocker on a morning television show (right).

"Some Guys Have All The Luck."

Will Smith is still fresh.

Here's the 24-year-old former rapper/television star at an event in 1993 (left) -- and 20 years later, the 44-year-old blockbuster king at the premiere of his unfortunate new flick "After Earth" in New York City this week (right).

Parents just don't understand ... how he ages so well.

Janet Jackson looks like a billion bucks.

Here's the 17-year-old "Control" singer back in 1983 (left) -- and 30 years later, the 47-year-old "Rhythm Nation" diva at an amfAR event in Cannes this week (right).

Miss Jackson ain't nasty.

Missy Elliott sure knows how to work it.

Here's the 26-year-old female rapper back in 1998 (left) -- and 15 years later, the 41-year-old gettin' her freak on at an event in Las Vegas this week (right).

She's supa dupa fly.

Rosie Perez is still a fly girl.

Here's the 27-year-old former "In Living Color" choreographer back in 1992 (left) -- and 21 years later, the 48-year-old "Fearless" star in Beverly Hills this week (right)

Brooklyn accents don't crack.

For Kate Capshaw, being Steven Spielberg's wife definitely has its perks.

Here's the 33-year-old "Indiana Jones and the Temple of Doom" star back in 1987 (left) -- and 26 years later, the 59-year-old natural beauty at a charity event in Beverly Hills this week (right).

Giving up acting in films really agrees with her.

New Kids on the Block have got the right stuff.

Here's Danny Wood, Joey McIntyre, Donnie Wahlberg, Jordan Knight and Jonathan Knight during their boy band heyday in 1989 (top) -- and 24 years later, Joey, 40, Danny, 43, Donnie, 43, Jordan, 42, and Jonathan, 44, in NYC recently (bottom).

They're hanging tough.

Here's the then 41-year-old "I Feel For You" singer back in 1994 (left) -- and 19 years later, the Queen of Funk-Soul celebrating her 60th birthday this week (right).

She is not every woman.