The French First Lady, 70, and the Queen, 76, were taken by surprise by an onlooker while they looked through an old text at the the French National Library.
Queen Camilla, 76, tried her hand at weaving during a visit to the Chanel office today in France alongside her husband King Charles and Brigitte Macron, 70.
The Queen, 76, donned the crystal art deco brooch, once owned by the Queen Mother and thought to have been made by Cartier, during her engagements in Paris today.