The princess, 10, made a surprise appearance to cheer on England's Lionesses as they won back-to-back EURO Cup championships over the weekend

Princess Charlotte accompanied her father, Prince William, to Switzerland last week as they cheered on the Lionesses in their Euros triumph over Spain. The 10-year-old's presence was a royal first as she enjoyed her first football game overseas and issued an unprecedented joint statement with the Prince of Wales.

The Prince of Wales shared a sweet moment with his daughter, Princess Charlotte at the Euros final and that showcased one key thing, says expert.