"She is not authorised to pull or request samples, wardrobe, scheduling photo shoots, or meeting clients about potential editorial content," according to a note on the blog. Kay had previously worked for Allure, Russian Vogue, Spoon and Harper's Bazaar.

Style Section LA editor-at-large Andrew Harmon, who worked with Kay at Conde Nast Publications, says he received a note from her saying: "I know the publishers put their heart and soul into putting the right team together for us to build Signature. Unfortunately, our creative differences have compelled me to move on."