Andie MacDowell: Good Genes or Good Docs?

Andie MacDowell's looks are stuck in a time loop.

Here's the 35-year-old star at a premiere of the movie "Groundhog Day" back in 1993 (left) -- and the now 55-year-old mother of three at a studio in New York City earlier this week (right).

Deja vu.

The question is...