Prince Charles stepped in for his mother the Queen to attend the State Opening of Parliament on Tuesday and deliver her speech outlining the government's legislative programme for the forthcoming parliamentary session. It was a symbolic and historic moment for the future King, who is the longest-serving heir to the throne.
The Queen, 96, reluctantly pulled out of her appearance late on Monday evening, as she continues to experience "episodic mobility problems" and after following advice from her doctors, Buckingham Palace said. It is the first time in almost 60 years that she has missed the ceremonial occasion.
READ: Why Duchess Kate didn't join Prince William at State Opening of Parliament
In the monarch's absence, Charles took on the head of state's major constitutional duty, in a move which was seen as a significant shift in his responsibilities as a king-in-waiting. He was also joined by his son Prince William who was also representing the Queen at the event.
See the best photos from the day below…