Patsy Stone was a career-defining role for Joanna Lumley. While making the pilot episode in 1991 Joanna was unnerved and unhappy acting opposite Jennifer Saunders, who created the show and starred as PR guru Edina ‘Eddy’ Monsoon. ‘She said, “Jennifer’s written a pilot for a series,” and sent me what became the first script of episode one,’ he recalls. ‘She’d …