Princess Charlotte crawls up the plane steps, watched by the Duchess of Cambridge, as they depart from Chopin airport in Warsaw, on day three of their five-day tour of Poland and Germany. (Photo by Dominic Lipinski/PA Images via Getty Images)
Princess Charlotte crawls up the plane steps, watched by the Duchess of Cambridge, as they depart from Chopin airport in Warsaw, on day three of their five-day tour of Poland and Germany. (Photo by Dominic Lipinski/PA Images via Getty Images)