Royal fan and Instagram user @oliver_de_bordeaux said: “Love that dress.”

Another royal watcher, Min Ji Dyer, agreed: “She has a lovely face and she is beautiful,” while @dianederibes commented: “They never stop, they are fantastic.”

Royal fan Rodrigo said: “The Prince of Wales and The Duchess of Cornwall attended tonight a reception at the British Museum in London to celebrate the British Asian trust! Both looking so fab!”

“The Duke and Duchess of Cornwall were seen at the ‘British Asian Trust’ reception tonight. Camilla looking fantastic,” said another Twitter user.