NEW YORK - APRIL 19: Actor Chevy Chase and Jaynie Luke arrive at the 11th Annual Riverkeeper Benefit Gala on April 19, 2007 in New York City. (Photo by Bryan Bedder/Getty Images) *** Local Caption *** Chevy Chase;Jaynie Luke

NEW YORK - APRIL 19: Model Christy Turlington Burns arrives at the 11th Annual Riverkeeper Benefit Gala on April 19, 2007 in New York City. (Photo by Bryan Bedder/Getty Images) *** Local Caption *** Christy Turlington Burns

NEW YORK - APRIL 19: Musician Lenny Kravitz arrives at the 11th Annual Riverkeeper Benefit Gala on April 19, 2007 in New York City. (Photo by Bryan Bedder/Getty Images) *** Local Caption *** Lenny Kravitz