Christie Brinkley’s Son Jack, 27, Snuggles Up To Bikini-Clad Genie Bouchard, 28, At Beach

Christie Brinkley's son Jack Brinkley-Cook frolics on beach with tennis star Genie Bouchard

Christie Brinkley's daughter Sailor Brinkley Cook is sensational in a yellow bikini

Christie Brinkley shows off toned legs in a floral dress while hosting Polo Hamptons Match