The Duchess posted a couple of photos from the shoot to Instagram, writing "4 years old ... See Prince Louis at 3: Duchess Kate shares new photo of the youngest Cambridge Royal fans don't often ...

Prince Louis, 4, attended the Platinum Jubilee Pageant with his older siblings and parents, Prince William the Duchess of Cambridge, all seated together for the finale event outside Buckingham Palace.

Although the four-day celebrations were in honor of Queen Elizabeth II's unprecedented 70 years on the throne, her 4-year-old great-grandson Prince Louis of Cambridge managed to have many scene ...

Louis, 4, the youngest child of Prince William and Kate, Duchess of Cambridge, put on a hilarious performance of facial expressions, waving, at times screaming and being a typical 4-year-old ...

Since his birth on April 23, young Prince Louis of Cambridge has stayed mostly (and ... Princess Charlotte’s took place at 4:30 p.m. in England, however, so it’s likely it will be an afternoon ...

The Cambridge kids make an adorable appearance on the Buckingham Palace balcony every year. Here, take a trip down memory ...

The youngest royal stole the show! While celebrating the monarch’s birthday with the annual Trooping the Colour in London on ...

Earlier on in the day, Louis had fans in hysterics thanks to his toothy grin, when he seemed to be cracking up his older ...

Prince William and Kate Middleton show their newly-born son, Prince Louis of Cambridge, to the media outside ... Here he is aged 4, on June 2, 2022, wearing the sailor suit his dad Prince William ...

The queen, 96, and Louis, 4, watched military planes fly above ... Queen Elizabeth II, Kate, Duchess of Cambridge, Prince Louis, Princess Charlotte watch from the balcony of Buckingham Place ...

Princes George and Louis and Princess Charlotte took over their parents' Instagram page to share a special message for dad ...