Nigella Lawson PA denies being a shopaholic A former personal assistant accused of defrauding Charles Saatchi and Nigella Lawson has denied she is a shopaholic and a fantasist. Francesca Grillo, 35, said she disagreed with how the TV cook had described her. Luisa Baldini reports from outside court. Nigella Lawson had powder-covered banknotes in handbag, PA claims