Prince William travels to Scotland solo to join royal family members for special ceremony

Prince William travelled to Edinburgh on Wednesday for a special ceremony in honour of Queen Camilla and Prince Edward, Duke of Edinburgh.The Prince of Wales, or Duke of Rothesay as he's known in Scotland, joined members of the British royal family who had already headed north for annual royal week festivities, which kicked off on Tuesday.Catherine, Princess of Wales and their three children remained at their Windsor home, with the kids at school and Kate continuing her recuperation amid cancer treatment.READ MORE: Sophie broke a big royal fashion 'rule' - was it on purpose?King Charles is also still undergoing cancer treatment but looked well as he was laughed and chatted away while being greeted by an official welcoming committee on arrival at St Giles' Cathedral.Similar to his dad, William, 42, was decked out in the official robes, hat and regalia of the most ancient and most noble Order of the Thistle, which is the greatest order of chivalry in Scotland.The Thistle Service was held to install new members to the elite group, including the Queen and Duke of Edinburgh, after King Charles announce the honours for his wife and youngest brother last year.There were three others also appointed to the order - Baroness Black, Baroness Kennedy and Sir Geoff Palmer.READ MORE: Minister brings new meaning to phrase 'statement earrings' with Midwinter Ball accessoryPrince William sat alongside the monarch and was later seen walking out of the cathedral in step with his uncle, Prince Edward.Sophie, Duchess of Edinburgh - who is not part of the order - wore a soft pink dress, accessorised with a matching clutch and a broad-brimmed white hat for the event.She watched on proudly as her husband was installed.Following the event, the Duke of Rothesay shared a congratulatory message to his step-mum and uncle, along with the other new appointees."Celebrating men and women who have contributed so much to life in Scotland at this special ceremony in Edinburgh today," the social media caption read, alongside a behind-the-scenes clip."Congratulations to the newest Knights and Ladies of the Order of the Thistle."It was the late Queen Elizabeth who revolutionised the ancient order - deciding in 1987 that women should be eligible in the same way as men.In addition to the 16 knights and ladies, Queen Camilla, the Duke of Rothesay, the Duke of Edinburgh, and the Princess Royal are considered Royal Knights of the Thistle.For a daily dose of 9honey, subscribe to our newsletter here.The Princess of Wales, or Duchess of Rothesay as she's known in Scotland, is yet to be appointed to the order.Presumably, the Duke of Rothesay returned home straight after the ceremony, with only King Charles and Queen Camilla taking part in the afternoon's events.Their majesties attended a celebration to mark the 900th anniversary of the City of Edinburgh at an event held at Edinburgh Castle.The monarch wore a kilt for the event, while Camilla donned a sage green coat dress with ivory gloves for the outing.Sharing some sweet moments during the low-key celebrations, the long-time couple cut the cake together and shared in a celebratory toast.The decadent dessert was made by 2020 Great British Bake Off winner Peter Sawkins and featured the outline of the city's skyline around the side of the strawberry-topped cake.FOLLOW US ON WHATSAPP HERE: Stay across all the latest in celebrity, lifestyle and opinion via our WhatsApp channel. No comments, no algorithm and nobody can see your private details.