We've selected a few of our favourites below and as mentioned, it's refreshing to see them just hanging out as normal because you know even the royal family can let their hair down once in a while. George, 4, and Charlotte, 3, were seen hamming it up as their father, Prince William, played in the Maserati Royal Charity Polo Trophy on Sunday.
Many took to social media to criticize the royals' toy choice given the increase of gun violence.
Princess Charlotte of Cambridge, Prince George of Cambridge and Catherine The Duchess of Cambridge at the Beaufort Polo Club in Tetbury, Gloucestershire, England, June 10, 2018. The brother and sister duo were pictured playing with toys, including a slinky and walking a beam of wood practicing their balancing skills.
Princess Charlotte in particular, already known for her impeccable and charming foreign diplomacy skills despite her young age, proved to be the star of the show with some playful antics.
Max Mumby Indigo via Getty Images Prince William gives his son a disapproving look
At one point, mischievous Charlotte made Kate and Autumn Phillips collapse into fits of giggles as she performed an impressive headstand, while a shy George watched on.
Footage, posted to Twitter by royal fans, shows Princess Charlotte clapping on the balcony at Buckingham Palace after the traditional fly past.
Irritated by Prince George's chatting, Savannah clasped her hand over his mouth.
While the royal family enjoyed a relaxed afternoon, they sported more formal garb yesterday for the Trooping the Colour parade in London.