The Princess of Wales was at the Garter Day Service at St. George’s Chapel, Windsor Castle, an event she missed last year due to her cancer treatment

The King and Queen followed tradition and were at the back of the procession dressed in white plumed hats and dark blue velvet robes, as were the other members of the order including William, Princess

The shared Instagram account for Kate Middleton and Prince William welcomed a trio of guest posters Sunday, when children Prince George, Princess Charlotte, and Prince Louis took the platform over. The occasion: Father's Day, with a post in tribute to their dad, the Prince of Wales.