While thousands gathered to catch a glimpse of King Charles III in the first Trooping the Colour of his reign, five-year-old Prince Louis stole the show again as he continued his cheeky antics on the balcony of Buckingham Palace. Subscribe and 🔔: http://9Soci.al/KM6e50GjSK9 | Get more breaking news at 9News.com.au: http://9Soci.al/iyCO50GjSK6 FOLLOW 9News Australia ► Facebook: / 9news ► Twitter: / 9newsaus ► Instagram: / 9news Join 9News for the latest in news and events that affect you in your local city, as well as news from across Australia and the world. #9News #BreakingNews #NineNewsAustralia #9NewsAUS