The growing Prince developed his royal wave while standing on the balcony of Amalienborg with his grandfather Prince Henrik, who passed away in 2018, back in 2005.This picture was snapped the same year that Prince Joachim and Princess Alexandra, who also had a second son, Prince Felix, in 2002, announced their official divorce.Photo: Getty ImagesncG1vNJzZmivp6x7qbHLpaammZeWx6q6xGeaqKVfp7y6rcutsGhqYGaFcX6Ra21yamlqfLG%2ByKeanmWenriwuMCiZJ2dnqKus7eMpaCfnV2ltbDAzqxm