CHRISTIE BRINKLEY, 54
Birthdate: Feb. 2, 1954
Hometown: Pacific Palisades, Calif.
Love Line: Split from husband architect Peter Cook, with whom she has daughter, Sailor Lee, 9, in 2006. She was married to artist Jean-Francois Allaux, musician Billy Joel (with whom she has daughter Alexa Ray, 22) and developer Richard Taubman (with whom she has son Jack Paris, 12).
Milestones: The Cover Girl model famously broke into Hollywood as the girl in the Ferrari in Vacation.