The glamorous couple, who met in college, tied the knot in a ceremony watched with the same sort of global interest as the prince's parents, Prince Charles and the late Princess Diana, who Wednesday in 1981.
The Royal couple don't often show affection in public, but William made a sweet gesture after the birth of Prince Louis.
He joked: "We're thrice anxious now", before teasing that the couple would soon be releasing the name of their new son, saying, "You'll find out soon enough". Prince George and Prince William both have Louis as their middle name.
'Colleagues kept saying, "Louis, you've got the same name as the royal baby!",' said the operating theatre assistant from Cheltenham.
Of course the Queen may also choose to make an exception for Harry's children, like she did for William.
"The Queen, The Duke of Edinburgh, The Prince of Wales, The Duchess of Cornwall, Prince Harry and members of both families have been informed and are delighted with the news".
On 2 May 2015, the royal couple welcome their daughter, Charlotte Elizabeth Diana.
In November of 2010, Prince William proposed to Kate Middleton with a 12-carat sapphire ring that once belonged to Princess Diana. With her bright brown eyes, round button nose and defined eyebrows, the Princess bares a striking resemblance to the woman who raises her. Subscribe now and you'll never miss an episode - become part of the New Idea Royals family today!
But no doubt that has all changed after they had a weekend to spend time together, in what was their first ever as a family of five.
A 1917 ruling stated that HRH titles were limited to the Monarch, the Monarch's children and grandchildren and the Monarch's eldest-born's first grandson. Arthur is a shared name in the family, and Charles is for his grandfather.
Yesterday, it was revealed the young royal was almost not a prince at all. They publicly thanked well-wishers by sending thank you cards, which featured a handsome and previously unseen photo of the couple in their garden.