Elvira, Mistress of the Dark aka Cassandra Peterson is anything but a horror.
Here's the 39-year-old goth babe back in 1990 (left) -- and 22 years later, the buxom 61-year-old at an event in L.A. last month (right).
The scariest thing about Elvira ... she doesn't age.
More Good Genes or Good Docs?
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