Models Get Their Due at 2009 Costume Institute Gala October 29, 2008 12:18 pm >> Hints at the 2009 Costume Institute Gala theme have been swirling since May — first, it was thought to be an ode to Marc Jacobs, and then an ode to fashion muses. Now that the official announcement has come out, we learn that both subjects are involved, just not quite in the way that was originally thought: the May 4 gala rings in "The Model as Muse," with Marc Jacobs as honorary chair, and Kate Moss, Anna Wintour, and Justin Timberlake as co-chairs.The accompanying exhibit, which runs May 6 to Aug.