 In May 2011 Guinness was asked to dress live in the window of department store Barney's New York ahead of the Costume Institute's MET Gala, to mark the opening of “Savage Beauty.”

In 2011 Guinness was photographed by photographer Bryan Adams and featured on the cover of Zoo Magazine.On 31 January 2012, Guinness had put her art-filled Fifth Avenue apartment for sale for 14 million US dollars.In 2016 Guinness starred in Stevn Klein's advertising campaign for Macallan Whiskey.