Follow MailOnline's live coverage of Trooping the Colour today byThe Princess of Wales and King Charles III were reunited on the Buckingham Palace balcony today for the first time since they both began cancer treatment.
They were joined by the Duke and Duchess of Edinburgh, with the family smiling and waving to crowds before standing proudly as the national anthem was played. Hundreds of Metropolitan Police officers were deployed on the ceremonial route to ensure the safety and security of those watching, with tens of thousands gathered.William and Kate smile at each other on the Buckingham Palace balcony in London today
After spending much of the year coming to terms with the diagnosis and receiving ongoing chemotherapy, Kate looked relaxed as she travelled along one of London's most famous thoroughfares with her family in the glass state coach. Read MoreBREAKING NEWS King Charles gives royal salute in his first Trooping the Colour since cancer diagnosis The royal party were in the midst of a sovereign's mounted escort, formed by troops from the Household Cavalry's Life Guards and Blues and Royals.
In addition, Louis could be seen dancing along during the quick march of the Scots Guards to Highland Laddie. The King was seen waving a gloved hand to the crowds gathered to watch the procession. The Queen, wearing a large brimmed hat and seated to his left, was also seen waving. The colour, or regimental flag, that will be trooped will be the King's Colour of number 9 company, Irish Guards.
Read More SARAH VINE: This joyful picture of Kate will stop the silly speculation - and give us a boost Sat beside him in the carriage was the Queen who wore a pale green silk crepe dress and coat by Anna Valentine, Philip Tracey hat and her Grenadier Guards military brooch. 'I have been blown away by all the kind messages of support and encouragement over the last couple of months. It really has made the world of difference to William and me and has helped us both through some of the harder times.
'I am learning how to be patient, especially with uncertainty. Taking each day as it comes, listening to my body, and allowing myself to take this much needed time to heal.