King Charles III and Prince William are clearing the air.

The monarch and his eldest son stepped out for a rare official engagement together for the Countdown to COP30 event at the Natural History Museum in London Oct. 9.

For the outing, Charles and William—whose wives Queen Camilla and Kate Middleton did not join them—both sported navy suits as they posed outside of the museum, before heading inside to meet with government leaders and advocates working to combat climate change. The event comes ahead of the COP30 World Leaders Summit in Belém, Brazil, on Nov. 6, which William will attend on behalf of his father.

The king and Prince of Wales last publicly appeared together during President Donald Trump and First Lady Melania Trump ’s Sept. 17 State

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