PRINCE William is second in line to the British throne and a leading member of the Royal Family.
But what do we know about the first-born child of Prince Charles and Princess Diana?
What did Prince William look like when he was young?
This collection of photos show a young, cheeky boy before he became the father-of-three he is today.
How did Prince William and Kate meet?
Kate and Prince William met at university in St Andrews in 2001, but the pair didn’t start dating until two years later.
When the pair first met The Duchess had a boyfriend, and Prince William, was single, with a reputation as a ladies man.
So Kate had to wait for half a decade to prove she was worthy of meeting the monarch, and wasn’t just another one of Prince William’s casual girlfriends.
But the meeting between the Queen and Kate nearly never happened, after the Duke and Duchess briefly split up in 2007.
Dogged by the media, the couple decided to part ways and pursue their own interests.
How old is Prince William?
Prince William, Duke of Cambridge, was born on June 21, 1982, at St Mary’s Hospital in London.
This makes the prince, who is second in line to the British throne, 38 years old.
When he was a teenager, Wills started studying at St Andrews University in Scotland, before joining the RAF and training as a helicopter pilot.
He then went on to work as a search and rescue pilot from 2009 to 2013, when his service with the Armed Forces came to an end.
What’s Prince William’s surname?
Much like Madonna – Prince William and his brother Harry don’t tend to use a last name.
They don’t technically need one given that the title Prince makes them instantly recognisable.
If they were to use a surname it would be Mountbatten-Windsor.
This is Prince Philip’s last name, Mountbatten, blended with the Queen’s, Windsor.
What is his educational background?
Prince William was educated at the Jane Mynors’ nursery school, followed by Wetherby School – both in London.
He then attended Ludgrove School in Wokingham.
For secondary school, William took an entrance exam and was admitted to Eton.
There he studied Geography, Biology and History of Art at A-Level.
William then attended the University of St Andrews in Scotland.
He and Kate Middleton both studied there and it is where they both met.
Geography was Wills’ degree, which he switched to from a History of Art BA.
How tall is Prince William?
The Prince is a regal 1.91m tall – that’s just under 6ft 3inches.
While his younger brother Harry is just a touch shorter at 1.86m – 6ft 1inch.
Where does Prince William live with wife Kate and their children?
The family spend much of their time in their Norfolk country pad, Amner Hall.
The stately building is about two miles east of the Queen’s residence at Sandringham.
But they also have a chic city dwelling in London at Kensington Palace.
William lives with wife Kate Middleton and their three children, Prince George, Princess Charlotte and Prince Louis.
Kensington Palace has confirmed the Duchess of Cambridge, along with her husband Prince William, had visited their nephew, Harry and Meghan’s son, Archie, more than a week after he was born.
Prince Harry and Meghan had already introduced him to his great-grandparents the Queen and Prince Philip, along with Meghan’s mum Doria Ragland.