The British actress and screenwriter, 65, turned heads in the Italian city for the festival - which is known for its elaborate masks, stunning costumes, and vibrant festivities.
She is set to join the likes of Girls Aloud singer Kimberley Walsh, comedian Judi Love, radio and TV host Anita Rani and TV presenter Angela Scanlon in promoting the aprons.
Local residents want to turn the 20-acre site on the edge of Great Ouseburn, North Yorkshire, into a nature reserve and save it from potentially being turned into another housing development.