Jon Stewart GOOD GENES OR GOOD DOCS?

11/29/2015 7:01 AM PST

Jon Stewart: Good Genes or Good Docs?!

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 ...