All photographs released by Kensington Palace to mark the sixth birthdays of Prince George, Princess Charlotte and Prince Louis.

On 23 April 2018, Prince Louis was born to Catherine and William, then known as Duke and Duchess of Cambridge in St Mary's Hospital, London, at 11:01 BST. He was born the during the reign of his paternal great-grandmother Elizabeth II, as the third child and second son of Will & Cat. The new Prince's is name was announced as Louis Arthur Charles in honour of his 3rd-great-uncle Earl Mountbatten of Burma - Louis, his father - Prince William and his paternal grandfather - Charles. The 11 week old little prince was christened by the archbishop of Canterbury, Justin Welby on 9 July in the Chapel Royal at St James's Palace. He wore the handmade replica of the Royal Christening Robe and the Lily Font and water from the River Jordan were used during the baptism. Louis spent the early years of his life at Apartment IA at Kensington Palace and Anmer Hall. He started at Willcocks Nursery School near Kensington Palace in April 2021. The family relocated to Adelaide Cottage in Windsor Home Park in 2022, following which he started at Lambrook School along with his older siblings. .Born as a Prince of Cambridge, he became HRH Prince Louis of Wales following his grandfather installing his parents as the Prince and Princess of Wales. Louis is currently fourth in line to the Throne. Prince Louis made his official royal debut at the Trooping of Colour in 2019 and since then has accompanied his parents and siblings for engagements and events including his great-grandmother's Platinum Jubilee in 2021 and his grandfather's Coronation in 2022. Louis who enjoys being outdoors is known to be mad about rugby and loves cricket and tennis. As per his mother he's got the signature ball boys pose down perfectly. He also is 'very quick' on his scooter and loves gardening. The little cutie is very proud of his sunflowers.

b. April 23, 2018

"Well done! Good job Lou-bugs!" - Princess Catherine

HRH Prince Louis of Wales was born on April 23rd 2018. He is fourth in line to the throne and is the youngest child of the Prince and Princess of Wales. The youngest of three siblings, Louis has an older brother and an older sister; he also has five full cousins and five step-cousins. He currently attends Lambrook School, in Windsor