THE world has followed Prince William and Kate Middleton's love story, and the couple have been by each other's side through both happiness and heartache.
The Princess of Wales revealed on March 22, 2024, she was undergoing treatement for cancer in a heartfelt video, saying it was a huge shock for her and her young family.
How old are Prince William and Kate Middleton?
Prince William was born on June 21, 1982, at St Mary's Hospital in London and is celebrating his 42nd birthday in 2024.
He is two years older than his brother Prince Harry.
Following the Queen's death became first in line to the throne.
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Catherine Elizabeth Middleton was born on January 9, 1982 and has celebrated her 42nd birthday in 2024.
What's the age gap between William and Kate?
While Kate and William were born in the same year, the Princess of Wales is five months and two days older than her husband.
The couple are based at Adelaide Cottage in Windsor having relocated there in the summer of 2022.
However, they also have a country home in Norfolk called Anmer Hall.
Kate is particularly fond of the rural getaway and as well as spending most of the school holidays there, she chooses to celebrate her birthday at the house every year.
The royal couple's love story started when they first crossed paths in 2001, when they went to university together at St. Andrews.
The pair went on to become friends and it was more than a year before things turned romantic between them.
In October 2010, it was announced that Kate and William were engaged after a proposal in Kenya.
The loved-up Prince said at the time: "We had a little private time away together with some friends, and I just decided it was the right time, really.
"We’d been talking about marriage for a while, so it wasn’t a massively big surprise, but I took her up somewhere nice in Kenya."
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The official statement said: "The Prince of Wales is delighted to announce the engagement of Prince William to Miss Catherine Middleton.
"The wedding will take place in the Spring or Summer of 2011, in London. Further details about the wedding day will be announced in due course."
On April 29, 2011, the happy couple tied the knot at Westminster Abbey in London in a televised event which was watched by millions all over the world.
When were Prince William and Kate Middleton's children born?
Wills and Kate announced in December 2012 that they were expecting their first child together.
On July 22, 2013, Kate was admitted to St Mary's Hospital, where William himself was born, and emerged with a son - Prince George.
In September 2014, the royal couple announced that Kate was pregnant again, which resulted in the birth of Princess Charlotte at the same hospital on May 2, 2015.
On September 4, 2017, Kate and William revealed that they were expecting their third child.
On the morning of April 23, 2018, Kensington Palace tweeted that the Duchess was in labour and it was announced that she had delivered a baby boy at 11.01 am.
The happy couple introduced their new arrival to Charlotte and George before heading home around seven hours after the birth.
After a wait of four days, it was announced he was named Prince Louis Arthur Charles.