Kathy Hilton versatile and multi talented person is an American actress, a fashion designer and philanthropist. She is an American citizen by birth and her given name is Kathleen Elizabeth Avanzino. She was born to her late parents Kathleen Mary (1938-2002) and Laurence K. Avanzino (1935-1997) on 13th March, 1959 in New York, U.S. More