One of the original American supermodels, the iconic California girl Christie Brinkley, turned 70 this summer and continues to turn heads. With the photo below, of Brinkley posing in a stunning silky dress with a plunging neckline, the blonde-haired blue-eyed beauty wrote: “All this talk about age! But I think 70 is the new 40 a great time to take on new challenges, volunteer, travel, or start a new company.”