Phylicia Rashad GOOD GENES OR GOOD DOCS?

5/10/2015 1:01 PM PDT

Phylicia Rashad: Good Genes or Good Docs?!

Phylicia Rashad's maternal beauty has never gone off the air.

Here's a 40-year-old version of everyone's favorite TV mom at a party in New York City back in 1988 (left) and 27 years later ... the highness of Huxtables -- who turns 67-years-old next month -- at a Los Angeles theater earlier this year (right).

Happy Mother's Day.

The question is...