Posted on Thu May 17, 2012 11:00 AM PDT
Christie Brinkley is a freak of nature ... in a good way!
The absolutely stunning 58-year-old actress greeted her fans after performing Chicago at the Pantages Theatre in Hollywood.
Still wearing her heavy stage makeup, Billy Joel's supermodel ex showed off her bangin' body in a short white dress.
Looks like someone is still bathing daily in that fountain of youth!
SEE THE GALLERY Christie Brinkley Sexes It Up At 58
Ex-Husband Asks Judge to Declare Christie Brinkley in Contempt of Court - Jan 08, 2009