Savannah Guthrie -- Good Genes or Good Docs?

Savannah Guthrie's good looks are worth giving thanks!

Here's a 33-year-old version of the "Today" host at a fundraiser back in 2004 (left) and 13 years later ... the 45-year-old Aussie Thanksgiving Day Parade host -- in New York City earlier this year (right).

What a show!

The question is ...