The event will be held at the Beverly Hills Hotel, on September 30. The women will be honored for their philanthropic efforts at the luncheon.
Garner played Roxane in the 2008 Broadway revival of Cyrano de Bergerac. Holmes made her Broadway debut in the 2008-2009 revival of All My Sons. Portman has starred on Broadway in The Diary of Anne Frank and in the Shakespeare in the Park production of The Seagull.