How old is Prince William and what is the age gap between him and Prince Harry?
Plus what Prince William looked like when he was younger
PRINCE William and Prince Harry are the children of King Charles and the late Princess Diana.
But how old are the royal siblings and what is the age gap between them? Here's everything you need to know.
How old is Prince William and when is his birthday?
Prince William was born at Mary's Hospital in London, on June 21, 1982.
In 2024, the prince celebrated his 42nd birthday.
He is two years older than his younger brother Prince Harry who was born on September 15, 1984.
In 2022, the late Queen shared a sweet message to celebrate William's 40th birthday.
The official Royal Family Instagram account shared a message: "Happy 40th Birthday to The Duke of Cambridge!
"Prince William Arthur Philip Louis is the elder son of The Prince of Wales and Diana, Princess of Wales.
"He was born at 9.03pm on 21 June 1982, at St Mary’s Hospital, Paddington, London.
"A bulletin, placed on the gates of Buckingham Palace announced that he weighed 7lb 1 1/2 oz."
The post included snaps from across the 40-year-old's life, including a heart-warming picture of William struggling to hide a smile in 2006 while passing out of the Royal Military Academy at Sandhurst, as his grandmother the Queen inspected him.
His father, who became King Charles III in 2022, and wife Camilla took to their official Twitter account to send their best wishes to Prince William too.
Sharing pictures of the prince with his father, they said: "Wishing the Duke of Cambridge a very happy 40th birthday!"
Prince William has now taken the title of the Prince of Wales, after Queen Elizabeth's passing on September 8, 2022.
To celebrate his 42nd birthday in 2024, a post was shared to the official Prince and Princess of Wales Instagram.
A sweet photo was shared of Prince William with his three children along with the caption: "Happy birthday Papa, we all love you so much! Cx"
How many children does Prince William have?
On April 29, 2011, William married Kate in a spectacular royal wedding.
The royal couple share children together - Prince George, Princess Charlotte and Prince Louis.
Prince George was born on July 22, 2013.
Princess Charlotte was born on May 2, 2015.
Louis was born on April 23, 2018.
How tall is Prince William?
The prince stands at 1.91m tall - which is just under 6ft 3inches.
Younger brother Harry is just a touch shorter at 1.86m - 6ft 1inch.
Prince William's wife Kate measures 1.75m - 5ft 7inches.
What did Prince William look like when he was young?
As a toddler, Prince William had blonde hair which became darker as he got older.
During his teens and in early 20s, he had thick hair which he would style by brushing the hair forward.
After graduating from St Andrew's University in Scotland - where he met his wife Kate - the young prince took a gap year abroad.
When he returned, he jumped straight back into royal life and began a career in the military, as well as formally working as a senior member of the royal family.