BILL MURRAY GOOD GENES OR GOOD DOCS?

9/21/2014 12:05 AM PDT

Bill Murray: Good Genes or Good Docs

Bill Murray's face is stuck in it's own "Groundhog Day." 

Here's a 35-year-old version of the "Saturday Night Live" funny man looking sharp in Los Angeles back in 1985 (left) and 29 years later... the comedy icon -- who turns 64-years-old this weekend -- at an awards show earlier this year (right).

He still has his looks going for him, which is nice.

The question is...