Good Genes or Good Docs

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.

Mick Jagger's good looks have really given off some good "Satisfaction."

Here's a 22-year-old version of the fresh-faced Rolling Stones vocalist posing for a portrait back in 1965 (left) and almost 50 years later ... the UK rockstar-- who celebrated his 72nd birthday just a few days ago -- at a press night performance of 'Snow White And The Seven Dwarfs' at the Richmond Theatre last November (right).

Donald Sutherland's good looks prove he's no "Ordinary People."

Here's a 36-year-old version of the actor at an Anti-Vietnam Protest Demonstration back in 1971 (left) and 44 years later ... Sutherland -- who turned 80-years-old a few days ago -- making an appearance in Cannes, France earlier last month (right).

Ringo Starr's good looks have really "Come Together."

Here's a 22-year-old version of the fresh-faced Beatles drummer posing with his boy band back in 1962 (left) and 53 years later ... the iconic Brit -- who celebrated his 75th birthday earlier this week -- at a Hollywood party just this month (right).

There's no "Misery" to Kathy Bates' good looks.

Here's a 42-year-old version of the "Fried Green Tomatoes" actress at a Los Angeles premiere back in 1990 (left) and 25 years later ... the "American Horror Story" vet -- who is celebrating her 67th birthday this weekend -- at a "Freakshow" screening earlier this year (right).