01of 411982Tim Graham Photo Library via GettyPrince Charlesand Princess Diana on the day of their sonPrince William’s royal christening, which was held in the music room of Buckingham Palace on August 4, 1982.
01of 41
1982
Tim Graham Photo Library via Getty

Prince Charlesand Princess Diana on the day of their sonPrince William’s royal christening, which was held in the music room of Buckingham Palace on August 4, 1982.
02of 411983Princess Diana, Prince William and Prince Charles.David Levenson/GettyIt was a royal first when Princess Diana andPrince Charlesbrought William with them on their royal tour Down Under. Here, they pose on the lawn of Government House in Auckland, New Zealand, on April 23, 1983.
02of 41
1983
Princess Diana, Prince William and Prince Charles.David Levenson/Getty

It was a royal first when Princess Diana andPrince Charlesbrought William with them on their royal tour Down Under. Here, they pose on the lawn of Government House in Auckland, New Zealand, on April 23, 1983.
03of 411984Prince William.Tim Graham Photo Library via GettyAt just 2 years old, William gets familiar with the press in the garden at Kensington Palace for a photocall.
03of 41
1984
Prince William.Tim Graham Photo Library via Getty

At just 2 years old, William gets familiar with the press in the garden at Kensington Palace for a photocall.
04of 411985Princess Diana and Prince William.GettyPrincess Diana helps her son with a jigsaw puzzle in his playroom at home in Kensington Palace.
04of 41
1985
Princess Diana and Prince William.Getty

Princess Diana helps her son with a jigsaw puzzle in his playroom at home in Kensington Palace.
05of 411986Tim Graham Photo Library via GettyBrothersPrince William(in a Dallas Cowboys T-shirt!) andPrince Harryplay with their mother in the garden of Highgrove House in Gloucestershire, on July 18, 1986.
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1986

BrothersPrince William(in a Dallas Cowboys T-shirt!) andPrince Harryplay with their mother in the garden of Highgrove House in Gloucestershire, on July 18, 1986.
06of 41
1987
Queen Mother, Princess Diana and Prince William.Tim Graham Photo Library via Getty

07of 411988Tim Graham Photo Library via GettyPrince Williamtook on the role of pageboy at the wedding of Camilla Dunne and the Hon. Rupert Soames.
07of 41
1988

Prince Williamtook on the role of pageboy at the wedding of Camilla Dunne and the Hon. Rupert Soames.
08of 411989Princess Diana, Prince Charles, Prince Harry and Prince William.ShutterstockThe family of four pose while on holiday in the Isles of Scilly.
08of 41
1989
Princess Diana, Prince Charles, Prince Harry and Prince William.Shutterstock

The family of four pose while on holiday in the Isles of Scilly.
09of 41
1990
Jayne Fincher/Getty

Last year, William shared that his mother used to sing “at the top of her voice” while she drove them to school.
10of 411991Princess Diana, Prince William and Prince Charles during a visit to Cardiff in 1991.Globe Photos/ZUMAPRESS.comPrincess Diana andPrince Charlesaccompany their sonPrince Williamon his first official engagement in Cardiff, Wales.
10of 41
1991
Princess Diana, Prince William and Prince Charles during a visit to Cardiff in 1991.Globe Photos/ZUMAPRESS.com

Princess Diana andPrince Charlesaccompany their sonPrince Williamon his first official engagement in Cardiff, Wales.
11of 411992Prince William.Anwar Hussein/GettyTen-year-oldPrince Williamgoes karting at Buckmore Park Playscape in Chatham, England, on August 01, 1992.
11of 41
1992
Prince William.Anwar Hussein/Getty

Ten-year-oldPrince Williamgoes karting at Buckmore Park Playscape in Chatham, England, on August 01, 1992.
12of 411993Princess Diana Archive/GettyWilliam walks alongside his mother Princess Diana to the Christmas Day church service at St. Mary Magdalene Church in Sandringham, Norfolk.“I have strong memories of walking down here, and my grandfather [Prince Philip], he used to walk so fast that there’d be huge gaps and spaces between all of us walking down, and there’d be us at the back with little legs trying to keep up. You know, I think, over time, you start to feel quite attached to those moments and those memories before,“William recalled in 2021.
12of 41
1993
Princess Diana Archive/Getty

William walks alongside his mother Princess Diana to the Christmas Day church service at St. Mary Magdalene Church in Sandringham, Norfolk.
“I have strong memories of walking down here, and my grandfather [Prince Philip], he used to walk so fast that there’d be huge gaps and spaces between all of us walking down, and there’d be us at the back with little legs trying to keep up. You know, I think, over time, you start to feel quite attached to those moments and those memories before,“William recalled in 2021.
13of 411994Prince William, Princess Diana and Prince Harry.GettyPrince Williamand his younger brotherPrince Harryaccompany their mother on a sleigh during a skiing holiday in Lech, Austria.
13of 41
1994
Prince William, Princess Diana and Prince Harry.Getty

Prince Williamand his younger brotherPrince Harryaccompany their mother on a sleigh during a skiing holiday in Lech, Austria.
14of 411995Tom Wargacki/WireImagePrincess Diana,Prince HarryandPrince Charlespose withPrince Williamas they drop him off for his first day at Eton College.
14of 41
1995
Tom Wargacki/WireImage

Princess Diana,Prince HarryandPrince Charlespose withPrince Williamas they drop him off for his first day at Eton College.
15of 41Tim Graham Photo Library via GettyPrince Williamwalks alongside his bodyguard Christopher Tarr at the Eton Boys Tea Party at the Guards Polo Club.
15of 41

Prince Williamwalks alongside his bodyguard Christopher Tarr at the Eton Boys Tea Party at the Guards Polo Club.
16of 411997From left: Prince Philip, Prince William, Charles Spencer, Prince Harry and Prince Charles walk behind Princess Diana’s casket at her 1997 funeral.JEFF J. MITCHELL/AFP/GettyPrince Philip,Prince William, Charles Spencer,Prince HarryandPrince Charleswalk behind Princess Diana’s casket during her funeral at Westminster Abbey on September 6, 1997. Hundreds of thousands of mourners lined the streets to watch the funeral procession following Diana’s death following a car crash in Paris.
16of 41
1997
From left: Prince Philip, Prince William, Charles Spencer, Prince Harry and Prince Charles walk behind Princess Diana’s casket at her 1997 funeral.JEFF J. MITCHELL/AFP/Getty

Prince Philip,Prince William, Charles Spencer,Prince HarryandPrince Charleswalk behind Princess Diana’s casket during her funeral at Westminster Abbey on September 6, 1997. Hundreds of thousands of mourners lined the streets to watch the funeral procession following Diana’s death following a car crash in Paris.
17of 411998UK Press via GettyPrince Charles,Prince HarryandPrince Williamattend the annual Christmas Day service in Sandringham.
17of 41
1998
UK Press via Getty

Prince Charles,Prince HarryandPrince Williamattend the annual Christmas Day service in Sandringham.
18of 41
1999
Julian Parker/UK Press via Getty

19of 412000Prince William, Prince Harry and Peter Phillips in 2000.FIONA HANSON/AFP via GettyPrince William, his brotherPrince Harryand cousin Peter Phillips leave St. Mary Magdalene Church after Christmas Day church service in Sandringham.
19of 41
2000
Prince William, Prince Harry and Peter Phillips in 2000.FIONA HANSON/AFP via Getty

Prince William, his brotherPrince Harryand cousin Peter Phillips leave St. Mary Magdalene Church after Christmas Day church service in Sandringham.
20of 412001Tim Graham Photo Library via GettyPrince WilliamandPrince Harryapplaud for their opponents after winning a polo match in Cloucestershire.
20of 41
2001

Prince WilliamandPrince Harryapplaud for their opponents after winning a polo match in Cloucestershire.
21of 412002Prince William.Tim Graham Photo Library via GettyPrince Williamsmiles after watchingQueen Elizabeth’s Golden Jubilee parade, celebrating the monarch’s 50 years on the throne.
21of 41
2002

Prince Williamsmiles after watchingQueen Elizabeth’s Golden Jubilee parade, celebrating the monarch’s 50 years on the throne.
22of 412003Prince Harry, Prince William and Queen Elizabeth.Tim Graham Photo Library via GettyQueen Elizabethlaughs with her grandsonsPrince WilliamandPrince Harryon the balcony of Buckingham Palace after the Trooping the Colour parade.
22of 41
2003
Prince Harry, Prince William and Queen Elizabeth.Tim Graham Photo Library via Getty

Queen Elizabethlaughs with her grandsonsPrince WilliamandPrince Harryon the balcony of Buckingham Palace after the Trooping the Colour parade.
23of 412004Prince William.Tim Graham Photo Library via GettyPrince Williamexamines a sheep at the organic farm on his fatherPrince Charles' Highgrove Estate.
23of 41
2004

Prince Williamexamines a sheep at the organic farm on his fatherPrince Charles' Highgrove Estate.
24of 412005Prince Harry and Prince William in 2005.Andrew Parsons/PA Images via GettyPrince WilliamandPrince Harryafter the wedding ceremony of their fatherPrince Charlesand Camilla Parker Bowles.
24of 41
2005
Prince Harry and Prince William in 2005.Andrew Parsons/PA Images via Getty

Prince WilliamandPrince Harryafter the wedding ceremony of their fatherPrince Charlesand Camilla Parker Bowles.
25of 412006Prince William.Anwar Hussein/GettyA 24-year-oldPrince Williamsalutes after being commissioned as an officer in the British Army during the Sovereign’s Parade at the Royal Military Academy Sandhurst on December 15, 2006 in Surrey, England.
25of 41
2006

A 24-year-oldPrince Williamsalutes after being commissioned as an officer in the British Army during the Sovereign’s Parade at the Royal Military Academy Sandhurst on December 15, 2006 in Surrey, England.
26of 412007Prince William.Tim Graham Picture Library/GettyPrince Williamsits in a cockpit trainer during a week he spent at RAF Cranwell, November 2007, in Sleaford, Lincolnshire, England. The prince was undertaking pre-training tests prior to the start of his attachment at RAF Cranwell where he will begin an intensive RAF course to learn how to fly.
26of 41
2007
Prince William.Tim Graham Picture Library/Getty

Prince Williamsits in a cockpit trainer during a week he spent at RAF Cranwell, November 2007, in Sleaford, Lincolnshire, England. The prince was undertaking pre-training tests prior to the start of his attachment at RAF Cranwell where he will begin an intensive RAF course to learn how to fly.
27of 412008Prince William.Chris Jackson/GettyA rarely-seen beardedPrince Williamattends the Christmas Day church service at St. Mary’s Church in Sandringham, England.
27of 41
2008
Prince William.Chris Jackson/Getty

A rarely-seen beardedPrince Williamattends the Christmas Day church service at St. Mary’s Church in Sandringham, England.
28of 412009Prince William and Prince Harry.Chris Jackson/GettyPrince WilliamandPrince Harrypose in front of a Griffin helicopter during a photocall at RAF Shawbury on June 18, 2009 in Shawbury, England. Both princes were on their military helicopter training courses.
28of 41
2009
Prince William and Prince Harry.Chris Jackson/Getty

Prince WilliamandPrince Harrypose in front of a Griffin helicopter during a photocall at RAF Shawbury on June 18, 2009 in Shawbury, England. Both princes were on their military helicopter training courses.
29of 412010Samir Hussein/WireImagePrince WilliamandKate Middletonofficially announce their engagement at St. James’s Palace on November 16, 2010 in London, England. The longtime couple became engaged during a holiday in Kenya.
29of 41
2010
Samir Hussein/WireImage

Prince WilliamandKate Middletonofficially announce their engagement at St. James’s Palace on November 16, 2010 in London, England. The longtime couple became engaged during a holiday in Kenya.
30of 412011Prince William and Kate Middleton.Anwar Hussein/GettyPrince WilliamandKate Middletonleave Westminster Abbey following their royal wedding on April 29, 2011.
30of 41
2011
Prince William and Kate Middleton.Anwar Hussein/Getty

Prince WilliamandKate Middletonleave Westminster Abbey following their royal wedding on April 29, 2011.
31of 41
2012
Kate Middleton and Prince William.Pascal Le Segretain/Getty

32of 412013Kate Middleton, Prince William and Prince George.BEN STANSALL/AFP via GettyWilliam and Kate introduce their first child,Prince George, to the world on the steps outside the Lindo Wing of St. Mary’s Hospital in London on July 23, 2013.
32of 41
2013
Kate Middleton, Prince William and Prince George.BEN STANSALL/AFP via Getty

William and Kate introduce their first child,Prince George, to the world on the steps outside the Lindo Wing of St. Mary’s Hospital in London on July 23, 2013.
33of 412014Kate Middleton, Prince George and Prince William.John Stillwell - WPA Pool/GettyKate and William bring their son George to a butterfly exhibit at the Natural History Museum on July 2, 2014 in London. The family released the photo ahead ofPrince George’s first birthday on July 22.
33of 41
2014
Kate Middleton, Prince George and Prince William.John Stillwell - WPA Pool/Getty

Kate and William bring their son George to a butterfly exhibit at the Natural History Museum on July 2, 2014 in London. The family released the photo ahead ofPrince George’s first birthday on July 22.
34of 412015Kate Middleton, Prince William and Princess Charlotte.Samir Hussein/WireImageWilliam and Kate smile for the cameras as they leave the hospital following the birth of their daughterPrincess Charlotteon May 2, 2015 in London.
34of 41
2015
Kate Middleton, Prince William and Princess Charlotte.Samir Hussein/WireImage

William and Kate smile for the cameras as they leave the hospital following the birth of their daughterPrincess Charlotteon May 2, 2015 in London.
35of 412016Prince William, Kate Middleton and Prince Harry.Nicky J Sims/GettyPrince William,Kate MiddletonandPrince Harryintroduce their new campaign called Heads Together in partnership with inspiring charities, which aims to change the national conversation on mental wellbeing.
35of 41
2016
Prince William, Kate Middleton and Prince Harry.Nicky J Sims/Getty

Prince William,Kate MiddletonandPrince Harryintroduce their new campaign called Heads Together in partnership with inspiring charities, which aims to change the national conversation on mental wellbeing.
36of 412017Kate Middleton, Prince William and Prince Harry.ALASTAIR GRANT/POOL/AFP via GettyKate, William and Harry take part in a relay race during a training event to promote their charity Heads Together, at theQueen ElizabethOlympic Park in London, on February 5, 2017.
36of 41
2017
Kate Middleton, Prince William and Prince Harry.ALASTAIR GRANT/POOL/AFP via Getty

Kate, William and Harry take part in a relay race during a training event to promote their charity Heads Together, at theQueen ElizabethOlympic Park in London, on February 5, 2017.
37of 41
2018
Dominic Lipinski - WPA Pool/Getty

Prince Harryand his new wifeMeghan Marklefollow behind the family of five.
38of 412019Queen Elizabeth, Prince William and Kate Middleton at the 2019 Chelsea Flower Show.GEOFF PUGH/AFP via GettyWilliam and Kate attend the 2019 Chelsea Flower Show alongsideQueen Elizabeth.
38of 41
2019
Queen Elizabeth, Prince William and Kate Middleton at the 2019 Chelsea Flower Show.GEOFF PUGH/AFP via Getty

William and Kate attend the 2019 Chelsea Flower Show alongsideQueen Elizabeth.
39of 412020The Cambridge family shares a new photo of William with his three children,Prince George,Princess CharlotteandPrince Louis, ahead of the Duke of Cambridge’s 38th birthday.
39of 41
2020
The Cambridge family shares a new photo of William with his three children,Prince George,Princess CharlotteandPrince Louis, ahead of the Duke of Cambridge’s 38th birthday.
40of 412021Kate Middleton and Prince William at the Palace of Holyroodhouse.Chris Jackson/GettyPrince WilliamandKate Middletonarrive to host the NHS Charities Together and NHS staff at a unique drive-in cinema to watch a special screening of Disney’sCruellaat the Palace of Holyroodhouse during their tour in Scotland on May 26, 2021.
40of 41
2021
Kate Middleton and Prince William at the Palace of Holyroodhouse.Chris Jackson/Getty

Prince WilliamandKate Middletonarrive to host the NHS Charities Together and NHS staff at a unique drive-in cinema to watch a special screening of Disney’sCruellaat the Palace of Holyroodhouse during their tour in Scotland on May 26, 2021.
41of 412022Prince William, Kate Middleton, Prince George, Princess Charlotte and Prince Louis joined Queen Elizabeth and Prince Charles on the Buckingham Palace balcony on June 5.Samir Hussein/WireImagePrince William,Kate Middleton,Prince George,Princess CharlotteandPrince LouisjoinQueen ElizabethandPrince Charleson the Buckingham Palace balcony on June 5 for the monarch’s Platinum Jubilee celebration.
41of 41
2022
Prince William, Kate Middleton, Prince George, Princess Charlotte and Prince Louis joined Queen Elizabeth and Prince Charles on the Buckingham Palace balcony on June 5.Samir Hussein/WireImage

Prince William,Kate Middleton,Prince George,Princess CharlotteandPrince LouisjoinQueen ElizabethandPrince Charleson the Buckingham Palace balcony on June 5 for the monarch’s Platinum Jubilee celebration.
source: people.com