Saudi Prince Faces Off Against Resident Ghost in Joan Rivers' PenthouseEllie Shechet8/26/15 10:30am1149EditInvite manuallyPromoteDismissUndismissHideGo to permalinkPrince Muhammad bin Fahd purchased the late Joan Rivers’ legendary Upper East Side penthouse triplex for $28 million, apparently with his heart set on a gut renovation. “Not so fast,” howled J.P. Morgan’s niece from the whirling black beyond.