The siblings chatted during a carriage ride over the weekend, with mom Kate Middleton and sister Princess Charlotte riding in another.

It’s no secret that Prince William and Kate Middleton have built a close-knit family over the years. But their three children — Prince George, Princess Charlotte and Prince Louis — appear to share an even stronger bond than the cameras usually reveal.

Brothers Prince George and Prince Louis’s bond was on full display at Trooping the Colour on June 14. While at one point older brother George corrected Louis on the Buckingham Palace balcony, before they arrived there,