Kate Middleton's touching reason for staying up until midnight tonight for Prince Louis

The Prince and have a huge celebration tomorrow as their youngest son marks his birthday. The youngster is set to turn seven years old and his parents, older siblings and , and his wider family will make sure he has a very memorable day.

And mum Kate once revealed how she has an adorable tradition she often follows when one of her three children is about to approach turning a year older - and she will be carrying it out tonight. The princess revealed her custom in 2019 when she and William appeared on a special programme with baking expert Mary Berry called A Berry Royal .

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In it, she spoke of her love for baking and told Mary that when it comes to the night before her children's birthdays: "I love making the cake." She added: "It's become a bit of a tradition that I stay up 'til midnight with ridiculous amounts of cake mix and icing and I make far too much. But I love it."

Louis is fourth in line to the throne and was born on St George's Day - April 23, 2018 in the private Lindo Wing of St Mary's Hospital in Paddington, London, weighing 8lb 7oz. He was christened Louis Arthur Charles at 11 weeks old by the Archbishop of Canterbury, Justin Welby, at the Chapel Royal, St James's Palace, in front of friends and family.

The youngster attends the private Lambrook School near Ascot in Berkshire alongside siblings and and is set to return to school following the Easter break later this week. The Prince and decided to skip the traditional royal Easter gathering over the weekend after told of his intention to "enjoy some extended time as a family over Easter".

This meant that the couple and their children did not join the King and Queen and other members of the for the annual in Windsor Castle, which also saw rejoin the royal fold.

Now it has emerged that the Wales family spent the Easter weekend at Amner Hall in Norfolk - and still went to church by attending an Easter Sunday service in Sandringham along with Kate's parents Carole and Michael Middleton.

The family managed to evade the crowds outside the church to enjoy the service, where they were handed hot cross buns on their way out. , and have several more days of the Easter school holidays to enjoy before heading back to class on Thursday, with their parents set to return to work.

And it has been revealed that William and Kate will be taking a two-day trip next week that will coincide with their 14th wedding anniversary. The pair will travel to the Isle of Mull, off ’s west coast, to meet craftspeople, farmers and residents.

William and Kate met at the University of St Andrews in Fife, Scotland, and became friends first before embarking on a romance. They wed in a grand fairy-tale ceremony in Westminster Abbey on April 29 2011, with the aisle of the Gothic London church lined with trees.

William has a connection with the Isle of Mull because it is part of the lands once ruled by the Lord of the Isles, one of a number of Scottish titles he inherited from his father when Charles became King. In Scotland, William and Kate are officially known by their Scottish titles, the Duke and Duchess of Rothesay.