Good Genes or Good Docs

It looks like aging has forgot about Dre.

Here’s a 30-year-old version of the hip-hop mogul backstage at the Source Awards in New York City (left) and 20 years later ... the Beats boss – who celebrated his 51st birthday earlier this week -- at a movie premiere in Los Angeles late last year (right).

Ain't nuthin’ but a gene thang.

The question is ...

Aging is definitely a friend of Jennifer Aniston.

Here’s a 23-year-old version of the "Friends" actress at a party back in 1992 (left) and 24 years later ... the hairstyle connoisseur -- who celebrated her 47th birthday earlier this week – on the red carpet in Los Angeles last month (right).

"Just Go With It."

The question is …

Troy Aikman told aging to take a hut, hut, hike!

Here’s a 26-year-old version of the Super Bowl champ in 1993 (left) and 22 years later ... the 49-year-old sports commentator and Hall of Famer at a fancy party last year (right).

How ‘bout them Cowboys?

The question is...

Punxsutawney Phil has never looked long in the tooth.

Here’s a young version of the acclaimed vermin predicting the future forecast in Pennsylvania back in 2002 (left) and 14 years later ... the mature marmot foreseeing an early spring earlier today (right).

I got you babe.

The question is...

Holy smokes Robin ... Christian Bale has aged well!

Here’s a 25-year-old version of the "American Psycho" at a movie premiere back in 1999 (left) and 17 years later ... the iconic Batman -- who turned 42 this weekend -- on the red carpet earlier this month (right).

No Superman needed.

The question is...

Tiffani Thiessen put her aging on a "time out!"

Here’s a 15-year-old version of Bayside High’s most popular girl at a "Saved by the Bell" photo shoot back in 1989 (left) and 26 years later ... the hot mother of two -- who celebrated her 42nd birthday earlier this week -- at a charity event in Los Angeles last month (right).

"It's alllll right!"

The question is…

Patrick Dempsey will always be McDreamy.

Here’s a 21-year-old version of the super smooth actor at a movie premiere in 1987 (left) and 28 years later ... a more stubbly snapshot of the Grey's God -- who turned 50 earlier this week -- at a charity screening in Los Angeles late last month (right).

911!

The question is…

AJ McLean needs to quit playing games with our hearts.

Here’s a 19-year-old version of the goatee sportin’ boybander in Miami Beach back in 1997 (left) and 18 years later ... the fully bearded 38-year-old at a charity event in Los Angeles in 2015 (right).

"Larger than life."

The question is...

Morris Chestnut's good looks are a tough nut to crack!

Here’s a 23-year-old version of the sexy actor suited up at a premiere party in Hollywood back in 1992 (left) and 23 years later … the 46-year-old 'Best Man' on the red carpet in Beverly Hills earlier this year (right).

The question is ...

Beverly D'Angelo's beauty has never taken a vacation.

Here's a 34-year-old version of the "Christmas Vacation" babe at a film premiere in Los Angeles back in 1985 (left) and 30 years later ... the 64-year-old Christmas movie MILF looking angelic earlier this year (right).

Christmas miracle.

The question is ...

Chewbacca's good looks are a force to be reckoned with!

Here's the well groomed Wookiee and Han Solo's long-standing homie in "Star Wars Episode IV: A New Hope" back in 1977 (left) and 38 years later ... the gentle giant letting his hair down on the red carpet for the "Star Wars: The Force Awakens" in London earlier this week (right).

“RHAGHGHRRAAAWWWGHRAAGH.”

The question is ...

Adam Sandler ... what a fine lookin’ Jew!

Here’s a 31-year-old version of the 'SNL' funny man at a movie premiere back in 1997 (left) and 18 years later ... the godfather of Hanukkah -- now 49 years old -- at a movie premiere in Los Angeles late last month (right).

So much funukkah!

The question is...

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 ...