{blackbabes} We Hear...

That Deborah Cox will perform at the Lighthouse Guild's sold-out Posh Affair Dinner on Monday, where Margo Nederlander, William Ivey Long, Harry Benson and Graff Diamonds will be honored. Nederlander will be joined by husband Jimmy. Also expected: James and Charlene Nederlander, Judith Giuliani, Francine LeFrak, Somers Farkas, Amy Fine Collins and Sigourney Weaver, who will emcee.