Popsugar Celebrity Prince Louis Prince Louis Wearing Harry's Outfit At Trooping the Colour Prince Louis Wore Royal Hand-Me-Downs to Trooping the Colour, Like a True Youngest Child 9 June 2019 by Karenna Meredith First Published: 8 June 2019 View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow Prince LouisThe British RoyalsPrince Harry