Today, May 6, Prince Archie celebrates his 5th birthday. The public were told his name after he was born, however, cheeky Prince George may have revealed it months before without anyone knowing. Prince Harry and Meghan Markle welcomed their first child, Archie Harrison Mountbatten-Windsor in May 2019. However, as of 2024, the couple has officially decided to use the last name of Sussex for both of their children. Although his name was announced to the world after his birth, many think Prince George may have given it away months before, by telling a passer-by his name was in fact, Archie. Princ…