However, there was one element of the Sunday summer scene which seemed out of place: Prince George, 4, was spotted wielding a rather realistic toy gun. "She seemed to say to [the kids], 'First to the polo field is the winner!' She was trying to get them exhausted before they had to get back in the vehicle to leave".
Luckily for the little royals, after behaving well on the balcony of Buckingham Palace, they were able to enjoy a fun day out at the with their mum Kate and let off some steam.
However, images of young George wielding a toy gun (and a toy knife) spoiled the mood online.
She also played a game of tag with her older brother, Prince George. He and Kate also spent time playing with a rainbow slinky.
"In this context - a public event that invites the public to participate - it's risky to allow a toy gun, because many people look to the family for compassion and leadership", Gilboa tells Yahoo Lifestyle.
Police officer rescues young boy running on busy highway
The boy runs away from the sergeant, prompting the officer to sprint after the boy south along Route 59. "You're OK. The 1-year-old was running alongside traffic, including large trucks whizzing by at risky speeds.
In perhaps the most candid snaps of the three royals ever seen, royal fans witnessed an adorable glimpse into normal family life for the Cambridges - showing they really are just like everyone else.
Prince Harry played with a toy gun in 1990.
Headlines from media outlets summed up the outrage from the left, with the U.K.'s Daily Mirror proclaiming, "Outrage as Prince George plays with toy and knife on family day out amid surge in violence", and several citing quotes from Twitter users such as, "sad to see him playing with a gun when the United Kingdom has a crime problem".