Sarah Ferguson dazzles in £4,750 Vivienna Lorikeet gown as she poses with Victoria's Secret model and film producer at Knights Of Charity gala

Sarah Ferguson dazzled in £4,750 sparking gown at Knights Of Charity gala during the 77th Cannes Film Festival. The Duchess of York , 74, oozed glamour in a Vivienna Lorikeet gown