Rita Schrager (Ian’s ex) welcomed guests Elie and Rory Tahari, Andrew Rosen, Fern Mallis, Ivan Bart, Alina Cho, Helen and Tim Schifter, Jamee and Peter Gregory, Lucy Sykes, Nicole Miller, Richard Johnson and Sessa von Richthofen, Tamara Mellon and others to her beautiful Water Mill home for a party to celebrate the release of Gigi Levangie Grazer’s wickedly funny and sexy new novel Queen Takes King, which delves into the split of a highly visible and hugely powerful New York couple. The author’s latest work is a battle of wits, charm, and of two of the biggest egos—and bank accounts—in Manhattan. Let the divorce games begin!