She has sat next to Anna Wintour at London Fashion Week and awarded Stella McCartney the Order of the British Empire.

Now Queen Elizabeth II is building on her fashion-forward reputation: The 93-year-old monarch will stop buying clothing made with real fur, the queen’s longtime designer and personal assistant wrote in a recently released memoir.

The queen’s confidante, Angela Kelly, wrote, “If Her Majesty is due to attend an engagement in particularly cold weather, from 2019 onward fake fur will be used to make sure she stays warm.”

The mink lining of a coat that Queen Elizabeth II wore to Slovakia in 2008 has been replaced with fake fur, according to Ms. Kelly’s memoir, “The Other Side of the Coin: The Queen, the Dresser and the Wardrobe.”