By Jessica Wedemeyer
Christie Brinkley has clearly stumbled upon the fountain of youth. In honor of the model-actress's 60th birthday on Feb. 2, take a look back at how she's aged -- or not! -- over the years.
RELATED: Supermodels of the '60s and '70s -- where are they now?
The Sports Illustrated Swimsuit Issue cover model smoldered while posing in a one-piece in 1979.
© 2014 Whalerock Industries