Michael Keaton -- Good Genes or Good Docs?

The spotlight is on Michael Keaton’s good looks!

Here’s a 36-year-old version of the young 'Batman' hunk at a party for the L.A. Kings back in 1987 (left) and 30 years later ... the award-winning actor and father at a Hollywood movie premiere earlier this week (right).

Beetlejuice, Beetlejuice, Beetlejuice.

The question is...