Kate to appear at Trooping the Colour in first public appearance since cancer diagnosis 

She will ride in a carriage alongside her three children and later join the King, the Prince of Wales, and other royals on Buckingham Palace’s balcony for a fly-past.

https://news.sky.com/story/kate-to-appear-at-trooping-the-colour-in-first-public-appearance-since-cancer-diagnosis-13153342