I think the marriage to Ferris has been good to her.

Here is Mia Sara in is Ferris Bueller:

And here she is today:

When I saw this, I thought “wow, she is remarkably well preserved” but some people seem outraged that she does not look exactly the same. To that I only can only say that she is clearly not bathing in enough blood.

Pics via Buzzfeedvia Stylist