Her business ventures in the beauty industry have included Christie Brinkley Authentic Skin Care and the hair extension line Hair2Wear.
Last month Christie was on vacation in Turks And Caicos with her daughter Sailor Brinkley-Cook who brought along her own boyfriend Ben Sosne.
The sizzling sensation has since apparently returned to her Hamptons home which is reportedly on the market for $29.5 million.
She first listed the 20-acre property in 2016, according to Architectural Digest, which noted that the name of the house is Tower Hill.
The look: She teamed purple lipstick with a matching pair of knit gloves for her photo-shoot, wearing her blonde hair down under a blue cap