LAURA DERN GOOD GENES OR GOOD DOCS?

1/11/2015 12:05 AM PST

Laura Dern: Good Genes or Good Docs?!

Laura Dern's beauty is anything but "Jurassic." 

Here's a 30-year-old version of the "Jurassic Park" matriarch at a benefit in Santa Monica back in 1997 (left) and 18 years later -- the now 47-year-old mother of two at a film festival in Palm Springs earlier this year (right).

Dern tootin'!

The question is ...