Vivica A. Fox: Good Genes or Good Docs

Vivica A. Fox has has looks that can 'Kill!'

Here’s a 28-year-old version of the red-hot actress posing for a pic in Hollywood back in 1992 (left) and 24 years later ... the sexy "Kill Bill" star at a local news event in Philadelphia earlier this week (right).

Foxy!

The question is...