Good Genes or Good Docs

Jay Z’s got 99 problems, but aging ain’t one.

Here’s a 27-year-old version of the New York rapper mean muggin' a camera back in 1996 (left) and 19 years later ... the Rap boss and father of one -- who celebrated his 46th birthday earlier this week -- at a Madison Square Garden event earlier this year (right).

Hova!

The question is ...

Jon Stewart's good looks haven't retired.

Here's a 32-year-old version of the MTV host hanging out in Los Angeles back in 1994 (left) and 21 years later ... the "Daily Show" staple -- who's celebrating his 53rd birthday this weekend -- at a NYC gala last month (right).

What a show!

The question is ...

Jamie Lee Curtis is scary hot.

Here's a 25-year-old version of the knife wielding "Halloween" actress at an awards show back in 1983 (left) and 32 years later ... the "Scream Queens" regular and mother of two -- who is celebrating her 57th birthday on Sunday -- at a fancy LA gala late last month (right).

Birthday bae.

The question is ...

Gordon Ramsay's good looks are always perfectly served.

Here's a 35-year-old version of the food aficionado at his self titled restaurant in London back in 2001 (left) and 14 years later ... the condescending TV host -- who is celebrating his 49th birthday this weekend -- at a ball in England earlier this year (right).

What's cookin' good lookin'?

The question is ...

Gabrielle Union ... she’s all that!

Here’s a 29-year-old version of the Hollywood hottie flashing her pearly whites at a movie premiere back in 2001 (left) and 14 years later ... an even sexier version of Dwyane Wade's wifey -- who celebrated her 43rd birthday earlier this week -- at a fancy New York party last month (right).

Old age? Bring it on.

The question is…

Eminem's looks don't need a remix.

Here's a 27-year-old version of the Slim Shady songbird looking serious in Dublin back in 1999 (left) and 16 years later ... the "Rap God" -- who is celebrating his 43rd birthday this weekend -- looking even more serious at an NYC movie last summer (right).

There's nothing cheesy about Brett Favre's good looks.

Here's a 22-year-old version of the Green Bay Packers quarterback in Mississippi on NFL draft day back in 1991 (left) and 24 years later ... the iconic athlete and father of two -- who is celebrating his 46th birthday this weekend -- at an awards show in LA earlier this year (right).

Every little thing Sting does is magic.

Here's a 33-year-old version of the Police frontman and sex symbol looking good in London back in 1984 (left) and 31 years later ... a much grizzlier version of the solo singer -- who celebrated his 64th birthday earlier this week -- at an event in NYC last month (right).

Mark Hamill's good looks strike back!

Here's a 29-year-old version of the jedi dreamboat at a "Star Wars" premiere back in 1980 (left) and 35 years later ... the lord of the lightsaber -- who celebrated his 64th birthday earlier this week -- at an event in Anaheim last summer (right).

Marc Anthony's looks are always caliente!

Here's a 29-year-old version of the salsa sensation in New York City's Time Square back in 1997 (left) and 18 years later ... Jennifer Lopez's baby daddy -- who celebrated his 47th birthday this week -- at a Latin music gathering in Miami Beach earlier this year (right).

Terry Bradshaw's good looks will go down in the hall of fame.

Here's a 34-year-old version of the "Immaculate Reception" quarterback getting a taste for sports commentating back in 1982 (left) and 33 years later ... the patriarch of pigskin -- who turned 67-years-old earlier this month -- at a party in Arizona (right).

Shania Twain's good looks aren't retiring!

Here's a 38-year-old version of the "Man! I Feel Like a Woman" singer performing at the Grand Ole Opry in Nashville back in 2003 (left) and 12 years later ... the now 50-year-old country staple -- who announced earlier this summer that she is retiring from touring -- performing onstage in New York last month (right).

Tori Amos' face is aging gracefully? "You bet your life it is!"

Here's a 32-year-old version of the "Cornflake Girl" at the Grammys back in 1995 (left) and 20 years later ... the mother-of-one -- who is celebrating her 52nd birthday this weekend -- at a Paris fashion event last month (right).

Halle Berry is "A Living Doll."

Here's a 30-year-old version of the "Catwoman" actress at Hollywood movie premiere back in 1996 (left) and 19 years later... the A-list actress and former fashion model -- who celebrated her 49th birthday earlier this week -- at a fancy Four Seasons party in Los Angeles last month (right).

Charlize Theron looks like a "Young Adult."

Here's a 21-year-old version of the "Mad Max: Fury Road" star at the Los Angeles premiere of "2 Days in the Valley" back in 1996 (left) and nearly 19 years later ... the South African actress -- who just celebrated her 40th birthday -- in L.A. last month (right).

Elizabeth Berkley has been saved by time.

Here's a 17-year-old version of the "Saved by the Bell" star in a promo for season 1 of "Saved by the Bell" (left) and 26 years later... the "Showgirls" actress -- who celebrated her 43rd birthday a few days back -- at the 4th annual Chrysalis Butterfly Ball last month.