She gloated about wearing a £2 dress from Marks & Spencer to meet Jackie Kennedy (“with the rest of them dripping diamonds down to their navels”) and didn’t attend either of the Academy Awards ceremonies at which she won. She passed along her Oscars to her mother, who displayed them in her front room and polished them so religiously that the gold disappeared and the base metal beneath was revealed. “A very good analogy,” Jackson likes to say.