Elizabeth Berkley: Good Genes or Good Docs?!

Elizabeth Berkley has been saved by time.

Here's a 17-year-old version of the "Saved by the Bell" star in a promo for season 1 of "Saved by the Bell" (left) and 26 years later... the "Showgirls" actress -- who celebrated her 43rd birthday a few days back -- at the 4th annual Chrysalis Butterfly Ball last month.