Molly Sims -- Good Genes Or Good Docs?

Good golly miss Molly Sims!

Here’s a 24-year-old version of the Sports Illustrated mega-model at a charity event in New York City back in 1997 (left) and 19 years later ... the still sporty mother of two – who celebrated her 43rd birthday earlier this week – on the red carpet in Beverly Hills this month (right).

“You gotta get this look!”

The question is ...