Not unexpectedly, the multimillionaire star was drawn to the most expensive raw materials in recreating the memory of her mother's perfume from more than 40 years ago, the perfumer revealed. "She has a real appreciation of luxury," he enthused. But when cautioned about safety restrictions on her favourite ingredients imposed by the International Fragrance Association (IFRA), she became exasperated. "F*** IFRA!" she snapped at one point.

— Perfumer Stephen Nilsen talks to Katie Puckrik about what it was like to work with Madonna on Truth or Dare. Read more at Madonna's perfumer suggests the popstar remains a hard to woman to please at the Guardian.