Alicia Keys: Good Genes Or Good Doctor?

Here's a 20-year-old version of the "Fallin'" singer at a Grammys party in Los Angeles back in 2001 (left) and almost 14 years later ... the mother of two -- who is celebrating her 34th birthday today --  at a book release in New York City late last year (right).


Spot any difference?! This woman gets younger by the day, so I ask good genes or good doctor?