Bo Derek

Good Genes

or Good Docs?

12/20/2009 8:20 AM PST BY TMZ STAFF
Bo Derek is a perfect 10.

Bo Derek
Here's the 24-year-old back in 1980 (left) -- and 29 years later, the 53-year-old version at some event in Phoenix earlier this year (right).

Saying she's gorgeous would be conservative.