The sweet promise Prince William made to Kate before their wedding

While attending 2,000 engagements and entertaining more than 70,000 people a year, life as a royal can seem all-encompassing. But for Kate Middleton, the experience has been different.

That’s because Kate has been able to hold on to a key part of her life before she married Prince William and became the Duchess of Cambridge: her family. According to a documentary called “Kate Middleton: Working Class to Windsor,” things were different when Prince William proposed to his longtime girlfriend, the Express reports.

“When William asked Kate to marry him, he made it very clear that she wouldn’t have to leave her family behind once she married into the family,” Vanity Fair writer Katie Nicholl reveals in the documentary. “He promised her that they’d always stay a part of the family and they have done.”

RELATED: Kate before she was a royal

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Kate Middleton before she was a royal
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Kate Middleton before she was a royal
An adorable Kate smiles at the camera, age five.
Kate skis in the Klosters with William and family.
A 3 year-old Kate wearing bright stripes.
ST ANDREWS, SCOTLAND - JUNE 23: New graduate Kate Middleton attends the graduation ceremony at St Andrews University to collect his 2:1 Master of Arts Degree in Geography in St Andrew's on June 23, 2005, St Andrews, Scotland. (Photo by Tim Graham/Getty Images)
LONDON - MAY 14: (EMBARGOED FOR PUBLICATION IN UK TABLOID NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Kate Middleton (C) and guests attend the book launch party of The Young Stalin: The Adventurous Early Life Of The Dictator 1878-1917 by Simon Sebag Montefiore, at Asprey May 14, 2007 in London, England. (Photo by Dave M. Benett/Getty Images)
Prince William's girlfriend Kate Middleton leaves the paddock enclosure on the first day of the Cheltenham Race Festival at Cheltenham Race course, in Gloucestershire 13 March 2007. (Photo credit should read CARL DE SOUZA/AFP/Getty Images)
ETON, UNITED KINGDOM - MARCH 18: Prince William kisses Kate Middleton, after playing the Field Game in an old boys match at Eton College on March 18, 2006 in Eton, England. (Photo by Indigo/Getty Images)
Kate Middleton, former girlfriend of Prince William and an unknown friend chat as they watch a performance at Wembley stadium in north London, 01 July 2007, as 60 000 revellers join Princes William and Harry for the six-hour long extravaganza in memory of their late mother Diana. Prince William, who turned 25 on June 21, predicted it would be 'an incredible night' of music after watching preparations being made yesterday for the event which is timed for what would have been his mother's 46th birthday. Police were on high alert as the huge concert got under way, a day after Britain raised its security threat level to maximum. (Photo credit should read LEON NEAL/AFP/Getty Images)
PANGBOURNE, UNITED KINGDOM - UNDATED: In this undated collect photo provided by St Andrew's School, Kate Middleton (front row, C) is pictured in a hockey team photo during her time as a pupil at St Andrew's School in Pangbourne, Berkshire, England (1986-1995). Catherine, Duchess of Cambridge re-visited her former school on November 30, 2012 to take part in a day of activities and festivities to mark the occasion of St Andrew's Day. The Duchess visited the Pre-Prep School for under-5s, unveiled a plaque to officially open a new artificial turf playing field and met members of the school's hockey team, which she played for during her time as a pupil at the school. She was also given a private tour of the school and watched the school's Progressive Games which are traditional games played indoors by teachers and students on St Andrew's Day. (Photo provided by St Andrew's School - WPA Pool/Getty Images)
Kate Middleton, girlfriend of Prince William, attends the second day of the Gatcombe Park Festival of British Eventing at Gatcombe Park near Tetbury, England. Anwar Hussein/allactiondigital.com *** Local Caption *** Zara Phillips
Kate Middleton, girlfriend of Prince William.
Kate Middleton, girlfriend of Prince William, during their graduation ceremony. William got a 2:1 in geography after four years studying for his Master of Arts.
Kate Middleton, girlfriend of Prince William, does some shopping when she attends the second day of the Gatcombe Park Festival of British Eventing at Gatcombe Park near Tetbury, England. Anwar Hussein/allactiondigital.com *** Local Caption *** Zara Phillips
Kate Middleton, girlfriend of Prince William, leaves St Cyriac's Church, Lacock, Wiltshire, following the wedding of Laura Parker Bowles and Harry Lopes.
Kate Middleton, the girlfriend of Prince William, watches from the side-lines as he plays polo for the Highgrove team at Cirencester Park Polo Club.
Prince William's girlfriend Kate Middleton smiles at Sandhurst, where graduates, including Prince William, marched in today's Sovereign's parade.
Prince William and his girlfriend Kate Middleton enjoy the rugby as England play Italy in the RBS Six Nations Championship at Twickenham.
Prince William and his girlfriend Kate Middleton enjoy the rugby as England play Italy in the RBS Six Nations Championship at Twickenham.
Kate Middleton, girlfriend of Prince William, at the races on the last day of Cheltenham Festival.
Kate Middleton, girlfriend of Prince William, at the races on the last day of Cheltenham Festival.
Kate Middleton (second right), former girlfriend of Prince William, walking the cross country course at the Mitsubishi Motors Badminton Horse Trials.
Kate Middleton, former girlfriend of Prince William, walking the cross country course at the Mitsubishi Motors Badminton Horse Trials.
Kate Middleton (centre), former girlfriend of Britain's Prince William (not pictured), during today's star-studded pop concert in memory of Diana, Princess of Wales.
Kate Middleton, girlfriend of Prince William, hosting Time to Reflect, an exhibition of limited edition photographs of celebrities by Alistair Morrison, at the Bluebird, London which Miss Middleton arranged to raise funds for UNICEF.
Prince William and his girlfriend Kate Middleton walk in RAF Cranwell, Lincolnshire after William received his RAF wings from his father the Prince of Wales.
Prince William (standing left) on his birthday with girlfriend Kate Middleton (standing right) watch the William De Broe Polo Test Match featuring England v New Zealand at the Beaufort Polo Club near Westonbirt. England won the match 6-4.
Prince William with his girlfriend Kate Middleton in the audience during the graduation ceremony at RAF Shawbury in Shropshire.
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Kate’s parents, Michael and Carole, met when they both worked for British Airways and later went on to start a successful party planning business. Kate has always been close to her parents and her younger siblings, Pippa and James. Kate went on to study art history at the University of St. Andrews, where she famously met Prince William. After they began dating, William reportedly enjoyed attending family dinners with the Middletons and going on skiing vacations with them. This is the job Kate had before she became a royal.

Since William and Kate married in 2011, William’s kept his promise—the Middletons are included in many major royal events. “Whether it’s joining the Queen at Ascot or being on an important barge within the Queen’s fleet at the Diamond Jubilee celebrations, they’ve been there,” Nicholl says. Find out the difference between a princess and a duchess.

RELATED: See the most adorable shots of Kate and William's family

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Most adorable photos of Prince William, Kate Middleton and family
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Most adorable photos of Prince William, Kate Middleton and family
08-06-2019 England The ceremony of the Trooping the Colour, marking the monarch's official birthday, in London. Prince William, Prince Louis, Prince George, Princess Charlotte, Catherine, Duchess of Cambridge ( PPE/Nieboer /Sipa USA)
Prince William holds Prince George as Catherine, Duchess of Cambridge, gives him a toy during a visit to the Bilby Enclosure at Sydney's Taronga Zoo April 20, 2014. The Prince and his wife Kate are undertaking a 19-day official visit to New Zealand and Australia with their son George. REUTERS/Chris Jackson/Pool (AUSTRALIA - Tags: ENTERTAINMENT ROYALS SOCIETY)
Britain's Prince William and Catherine, the Duchess of Cambridge, leave the chapel with their children Prince George, Princess Charlotte and Prince Louis after Prince Louis's christening in the Chapel Royal, St James's Palace, London, Britain, July 9, 2018. Dominic Lipinski/Pool via REUTERS
LONDON, ENGLAND - JULY 09: Princess Charlotte and Prince George hold the hands of their father, Prince William, Duke of Cambridge, as they arrive at the Chapel Royal, St James's Palace, London for the christening of their brother, Prince Louis, who is being carried by their mother, Catherine, Duchess of Cambridge on July 09, 2018 in London, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)
Britain's Prince William and Kate Middleton, Duchess of Cambridge pose for a photo with their newborn baby son Louis Arthur Charles as they leave the Lindo wing at St Mary's Hospital in London London, Monday, April 23, 2018.
Britain's Prince William, the Duke of Cambridge, his wife Princess Kate, the Duchess of Cambridge, Prince George and Princess Charlotte walk past helicopters at the airfield in Hamburg Finkenwerder, Germany, July 21, 2017. REUTERS/Christian Charisius/POOL
Britain's Prince William, the Duke of Cambridge, his wife Princess Kate, the Duchess of Cambridge, Prince George and Princess Charlotte walk at the airfield in Hamburg Finkenwerder, Germany, July 21, 2017. REUTERS/Christian Charisius/POOL
Prince William, the Duke of Cambridge (R), his wife Catherine, The Duchess of Cambridge (L), Prince George (2nd R) and Princess Charlotte arrive to attend the morning Christmas Day service at St Mark's Church in Englefield, near Bucklebury in southern England, Britain, December 25, 2016. REUTERS/Andrew Matthews/Pool
Britain's Prince William, Catherine, Duchess of Cambridge, Prince George and Princess Charlotte arrives to board a floatplane for their official departure from Canada in Victoria, British Columbia, Canada, October 1, 2016. REUTERS/Chris Wattie
Britain's Prince William (2nd R), Catherine, Duchess of Cambridge (2nd L), Prince George and Princess Charlotte (L) watch as a man inflates balloons at a children's party at Government House in Victoria, British Columbia, Canada, September 29, 2016. REUTERS/Chris Wattie
Britain's Prince William (2nd R), Catherine, Duchess of Cambridge (2nd L), Prince George and Princess Charlotte (L) watch as a man inflates balloons at a children's party at Government House in Victoria, British Columbia, Canada, September 29, 2016. REUTERS/Chris Wattie
Britain's Prince William (2nd L), Catherine, Duchess of Cambridge, Prince George (L) and Princess Charlotte (R) arrive at a children's party at Government House in Victoria, British Columbia, Canada, September 29, 2016. REUTERS/Chris Wattie
Catherine, Duchess of Cambridge holding Princess Charlotte, Prince George and Prince William, watch a flypast as they stand on the balcony of Buckingham Palace after the annual Trooping the Colour ceremony on Horseguards Parade in central London, Britain June 11, 2016. Trooping the Colour is a ceremony to honour Queen Elizabeth's official birthday. The Queen celebrates her 90th birthday this year. REUTERS/Toby Melville
Britain's Prince William, Catherine, Duchess of Cambridge, Prince George and Princess Charlotte arrive to board a floatplane for their official departure from Canada in Victoria, British Columbia, Canada, October 1, 2016. REUTERS/Chris Wattie
The Duke and Duchess of Cambridge walk past the crowds at the Church of St Mary Magdalene on the Sandringham Estate with their son Prince George and daughter Princess Charlotte, after her christening, on July 5th 2015. REUTERS/Mary Turner/Pool
Britain's Prince William and his wife Catherine, Duchess of Cambridge, appear with their baby daughter, Charlotte Elizabeth Diana, outside the Lindo Wing of St Mary's Hospital, in London, Britain May 2, 2015. The Duchess of Cambridge, gave birth to a girl on Saturday, the couple's second child and a sister to one-year-old Prince George. REUTERS/Cathal McNaughton
Britain's Prince William returns with his son George to the Lindo Wing of St Mary's Hospital, after the birth of his daughter in London, Britain May 2, 2015. Britain's Duchess of Cambridge, has given birth to a daughter, the couple's residence Kensington Palace announced on Saturday. REUTERS/Suzanne Plunkett
Britain's Catherine, Duchess of Cambridge, carries her son Prince George alongside her husband Prince William as they visit the Sensational Butterflies exhibition at the Natural History Museum in London, July 2, 2014. Prince George celebrates his first birthday on July 22. Picture taken July 2, 2014. REUTERS/John Stillwell/Pool (BRITAIN - Tags: ROYALS SOCIETY TPX IMAGES OF THE DAY) ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
Britain's Catherine, the Duchess of Cambridge, holds her son Prince George as they prepare to board a plane with her husband Prince William (not pictured) to depart Canberra April 25, 2014. The Prince and his wife Kate are undertaking a 19-day official visit to New Zealand and Australia with their son Prince George. REUTERS/Phil Noble (AUSTRALIA - Tags: ROYALS ENTERTAINMENT POLITICS TPX IMAGES OF THE DAY)
Catherine, the Duchess of Cambridge, and her husband Britain's Prince William, watch as their son Prince George looks at an Australian animal called a Bilby, which has been named after the young Prince, during a visit to Sydney's Taronga Zoo April 20, 2014. The Prince and his wife Kate are undertaking a 19-day official visit to New Zealand and Australia with their son George. REUTERS/David Gray (AUSTRALIA - Tags: ROYALS ENTERTAINMENT TPX IMAGES OF THE DAY)
Catherine, Duchess of Cambridge, holds her son Prince George during a Plunket nurse and parents' group event at Government House in Wellington April 9, 2014. Plunket is a national not-for-profit organisation that provides care for children and families in New Zealand. Britain's Prince William and his wife Kate are undertaking a 19-day official visit to New Zealand and Australia with their son George. REUTERS/Marty Melville/Pool (NEW ZEALAND - Tags: ROYALS ENTERTAINMENT)
Catherine, the Duchess of Cambridge, holds her son Prince George after disembarking with her husband, Britain's Prince William, from their plane after arriving in Wellington April 7, 2014. The Prince and his wife Kate are undertaking a 19-day official visit to New Zealand and Australia with their son George. REUTERS/Phil Noble (NEW ZEALAND - Tags: ROYALS ENTERTAINMENT)
Britain's Prince William and his wife Catherine, Duchess of Cambridge appear with their baby son, outside the Lindo Wing of St Mary's Hospital, in central London July 23, 2013. Kate gave birth to the couple's first child, who is third in line to the British throne, on Monday afternoon, ending weeks of feverish anticipation about the arrival of the royal baby. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SOCIETY ROYALS ENTERTAINMENT HEALTH)
Prince William, Catherine Duchess of Cambridge, Prince George, Princess Charlotte and Prince Louis during Trooping the Colour ceremony, marking the monarch's official birthday, in London. (Photo by DPPA/Sipa USA)
LONDON, ENGLAND - JUNE 08: Prince Louis, Prince George, Prince William, Duke of Cambridge appear on the balcony during Trooping The Colour, the Queen's annual birthday parade, on June 08, 2019 in London, England. (Photo by Samir Hussein/WireImage)
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Prince William even mentioned his in-laws during a royal visit to Jordan over the summer and recreated a photo of Michael Middleton with toddlers Kate and Pippa from when the family was stationed there, according to PeopleKate “is very sorry she cannot be here with me so soon after the birth of our son Louis, but her family remembers very fondly the almost three years she spent here as a child when her father worked for British Airways in Amman,” William said.

The Duke and Duchess of Cambridge continued to keep it all in the family in August when Vogue reported Grandma and Grandpa Middleton joined Kate, William, and their three children on a return trip to the Caribbean island of Mustique for summer vacation. Next, check out 19 times Kate and Princess Diana wore almost the same outfit.

RELATED: Royals breaking protocol

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12 times the royals broke their own protocol
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12 times the royals broke their own protocol

When Princess Diana didn't act like a royal

The People’s Princess is most remembered for her frank, approachable attitude. She openly discussed her eating disorder and the importance of mental health. She met HIV positive patients and hugged them. She gave candid interviews about her failing marriage with Prince Charles. While her manner of conduct was not expected from a member of the royal family, it was very much appreciated by the public.

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When Princess Diana picked her engagement ring

We already know Princess Diana had an incredible sense of fashion, and her taste in jewelry is no exception. After Prince Charles proposed, she got an engagement ring with a 12-carat oval blue sapphire surrounded by 14 solitaire diamonds. However, she didn’t get it custom made as royal brides-to-be usually do. She selected hers from a Garrard jewelry collection catalog. Critics called it the “commoner’s sapphire” for that reason, even though it looks anything but common. Prince William used that exact ring when he proposed to Kate Middleton, and the Duchess still wears it today. Check out these photos of times Princess Diana and Kate Middleton basically wore the same outfit.

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When Princess Diana sent her son to public school

With this year marking the 20th anniversary of her death, rare photos of Princess Diana and her sons are surfacing across the Internet. They capture just how hands-on she was as a mother. She took them to amusement parks, they ate at McDonald’s together, and maybe most surprisingly, she sent them to public school. When Prince William started at Mrs. Jane Mynor’s nursery school at age 3, he became the first heir to the British throne to not start his education within the palace. Prince Harry later joined him at the same school.

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When Prince William comforted a commoner

Prince William certainly inherited his mother’s compassion for the people of her country. In June 2017, he and the Queen visited a crisis center where survivors of the Grenfell Tower fire were being treated. The deadly blaze destroyed the North London apartment complex and killed 79 people. At the center, William met a woman trying to find her husband who’d been trapped in the burning building. The royal code states that male members of the royal family should be greeted with a nod or “neck bow.” As the Daily Mail explains, that didn’t happen: “The woman sobbed into the concerned Prince's chest as he put his arms around her and told her he would do everything he could to help find her loved one.” Here's another royal rule that Prince William and Kate Middleton always break.

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When Prince Harry petted a dog

We all secretly want to be every dog’s favorite human—and it looks like Prince Harry has the same ambitions. At the 2015 Royal Variety Performance, a televised variety show that raises money for the Royal Variety Charity, Prince Harry should have gone back to his security detail after meeting the acts. Instead, he gave into the universally human urge and petted the performing dog Matisse, a border collie who wonBritain’s Got Talent earlier that year. His owner and trainer Jules O’Dwyer told The Sun that Prince Harry “actually broke protocol on his way out. It’s great that Matisse has got the royal seal of approval.”

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When Prince William flew with his kids

Remember those adorable photos of Prince George and his dad on the royal tour? They should have never been taken—not because we don’t melt at the young prince’s pouty face, but it’s standard royal practice for anyone in succession to the throne to travel separately in case of an accident. If something were to happen to one person, their royal lineage would be preserved. This isn’t part of official royal protocol, and Prince William did get permission from the Queen to have his whole family travel together.

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When Canada's Governor General touched the Queen

OK, Queen Elizabeth II herself didn’t break protocol. She more than anyone should know the do’s and don’t’s of royal etiquette. Earlier this year, Her Majesty visited into Canada House in London to celebrate Canada’s 150th birthday. When Canada’s Governor General David Johnston was walking her in and out of the building, he touched her arm and started a media frenzy. Aside from handshakes, touching members of the Royal family is extremely rare, but Johnston said he was just lending a helping hand. “There was carpet that was a little slippy,” he told CBC News, “and so I thought perhaps it was appropriate to breach protocol just to be sure that there was no stumble." Considering the situation, it seems appropriate to let the Governor-General’s actions slide. 

(Reuters)

When Princess Kate hugged kids in Germany

Kate Middleton already channels Princess Diana in their strikingly similar outfits, so it makes sense that she would have the same caring attitude toward young children. While stopping at Strassenkinder, a charity in Germany that helps kids with disadvantaged backgrounds, Kate greeted a group of little ones with loving hugs, disregarding the “handshakes only” rule. Here are some more surprising etiquette rules you didn't know the royal family had to follow.

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When Prince William and Harry hugged Chewbacca

Yes, that actually happened. Among the royal family’s important jobs is recognizing talented Brits who are doing their country proud. Apparently, that includes getting behind-the-scenes access to one of the biggest movie franchises ever. Princes William and Harry got a special tour of the Star Wars: Episode VIII set in England while it was being filmed. Between chatting with Daisy Ridley and John Boyega and meeting BB-8, they got big Wookie hugs from Chewbacca. They also had their own lightsaber battle. Jealous yet? We are.

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When Queen Elizabeth hugged Michelle Obama

Are you seeing a pattern here? At Buckingham Palace’s G20 Summit in 2009, the Queen spent time talking to then-First Lady Michelle Obama, even joking about their height difference. Then the Queen put a hand on Mrs. Obama’s back and the First Lady returned the gesture in what can only be described as a “power side hug.” The royals showing increasingly more leniency with hugging is basically them saying, “This is 2017, people. Hugs make the world go ‘round.”

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When Prince Charles signed an autograph

A new poll shows that Prince Charles is decidedly the least popular member of the royal family, but no one can deny that the ex-husband of Princess Diana has a soft side. In 2010, he met with victims of devastating flash floods in Cornwall and a couple asked him for an autograph for their son. Shockingly, Charles agreed and had a bodyguard get him a piece of paper. The royal family is actually banned from giving autographs for a very good reason, but Charles made an exception for this unfortunate family. Learn more about why the royal family isn't supposed to sign autographs.

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LONDON, UNITED KINGDOM - DECEMBER 06: Princess Of Wales Visiting The English National Ballet School In South West London. (Photo by Tim Graham/Getty Images)
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The post The Sweet Promise Prince William Made to Kate Before Their Wedding appeared first on Reader's Digest.

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