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It will probably be a similar story when Prince William and his bride cross the Atlantic for their 11-day tour of the US and Canada.
Their time in America consists of just three days in California, where anticipation is high. Even famous actors have had their agents on the phone desperately trying to secure them invites to meet the Cambridges.
But the younger generation of royals are not the only ones to inspire enthusiasm. As far back as the Queen Mother the country has always held the Windsors in high regard.
Watch: Prince William takes George to meet his sister
It's a little princess!