The Princess of Wales accepted bouquets of flowers from well-wishers as she greeted the crowds outside St Mary Magdalene Church in Sandringham today.
Kate, 42, was a sight to behold as she walked alongside Prince William, their children Prince Louis, six, Princess Charlotte, nine, and Prince George, 11, as well as King Charles and Queen Camilla at their Sandringham estate in Norfolk on Wednesday morning.
Her attendance followed joyous anticipation after what has been a gruelling year for the Princess, who stunned the world with a shock cancer diagnosis in March 2024.
The Princess underwent major abdominal surgery in hospital, after which doctors broke the news that they had found evidence of cancer and advised her to undergo treatment immediately.
She began a gradual and measured return to public life after annoucing she had completed a preventative course of chemotherapy in September.
Today, all eyes were on Kate as she looked as positive and radiant as ever, bearing no indication of the challenging year behind her.
(From left to right): Queen Camilla, the Prince and Princess of Wales, along with Prince Louis and Princess Charlotte
The Princess of Wales accepted bouquets of flowers from well-wishers as she greeted the crowds outside St Mary Magdalene Church in Sandringham today
Kate looked ethereal in a forest green coat with a matching fascinator and scarf, as she joined her husband, the Prince of Wales, and their children at Sandringham on Christmas
The Royal Family on their way to St Mary Magdalene Church in Sandringham on Christmas morning
The Prince and Princess of Wales with their children Prince George, Prince Louis, and Princess Charlotte
The princess dazzled in a forest green Alexander McQueen coat, which she had previously worn during a visit to Leeds in January 2023.
She teamed the coat with a matching fascinator and scarf, as well as a pair of black gloves and black boots to keep warm - as the future Queen waved at the crowds outside St Mary Magdalene Church.
Her silky brunette locks were styled in soft waves, while her make-up was typically understated yet flawless.
Fans have been queuing in Sandringham since early last evening, with several people eager to wish Kate and the Royal Family a Merry Christmas after what has been a particularly difficult 12 months.
King Charles was also diagnosed with cancer at the start of the year, and the monarch is still undergoing treatment for the disease.
One royal megafan, John Loughrey, told Sky News he arrived at Sandringham around 7.30pm on Christmas Eve - hoping to give Kate a beautiful bouquet of flowers.
Mr Loughrey said: 'It's not been easy on Catherine and her family, so we've come to support that,' he said.
'And we hope we can see her today and also give these beautiful flowers.'
Kate flashed her infectious smile while greeting crowds of onlookers, some of who began queuing outside the church as early as last evening
Kate photographed speaking to members of the public outside St Mary Magdalene church
The Prince of Wales, Prince Louis, Prince George, and the Princess of Wales following the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk
As King Charles, Queen Camilla, and the Prince and Princess of Wales walked into the church, the crowds could be heard wishing them a 'Merry Christmas!'.
Her infectious smile was testament to her courage in the face of adversity as well as her work ethic, as the Christmas service marks just one of many official public engagements attended by the Princess since announcing her cancer treatment.
It is also the second time the Wales family have been seen together in public since their appearance at Trooping the Colour, the King's birthday parade, in June.
Prince William, 42, looked dapper in a navy coat and trousers, perhaps paving the way for his son's dashing style, with George wearing a similar ensemble to the future King.
Meanwhile, Charlotte twinned with her mother, with the young princess also wearing a dark green coat.
They were joined by senior members of the Royal Family including Princess Anne, the Duke and Duchess of Edinburgh, Princess Anne's daughter Zara Tindall, as well as Princess Beatrice.
Earlier this month, the Waleses and other members of the Royal Family came together for Kate's special Christmas carol concert at Westminster Abbey in London.
The fourth edition of Kate's 'Together at Christmas' service was broadcast last evening on Christmas Eve, as the programme paid tribute to individuals from all over the country who have shown love, kindness, and empathy to those in their communities.
At the start of her annual carol concert, Kate called for people to 'slow down and reflect on the deeper things that connect us all' and turn to 'love, not fear' - as she appeared to reflect on the tumult of the past year.
Since announcing she had completed a preventative course of chemotherapy in September, Kate has embarked on a slow and measured return to public life - with royal fans cheering her comeback every step of the way.
Today, xxx(number) of well-wishers have been queuing since the early hours to catch a glimpse of the royals, and waved excitedly as xxx and xxx made their way to the Church.
Meanwhile, Prince Harry and Meghan Markle xxx and their two children Archie and Lilibet xxx
For the Royals, festivities usually start when everyone arrives on Christmas Eve. The family open presents, some of which are gag gifts - one of the Royal Family's traditions.
The family then attend services at Saint Mary Magdalene Church on Christmas morning. Once they get home Christmas lunch is served, followed by afternoon games.
This time, two years ago, the Royals experienced their biggest change for decades as they celebrated their first festive period without Queen Elizabeth II, who passed away in September 2022.
The world was thrust into mourning at the news of her passing at age 96. Britain's longest-reigning monarch was rushed to Balmoral after doctors became 'concerned' for her health - she later died 'peacefully' surrounded by family.
Fans have been queuing in Sandringham since early last evening, with several people eager to wish Kate and the Royal Family a Merry Christmas after what has been a particularly difficult 12 months
Well-wishers gathered outside the Royal Family's Sandringham estate in Norfolk ahead of their arrivalk on Christmas morning
One of the furrier bystanders outside the St Mary Magdalene Church in Sandringham
A child wears a crown as people gather outside the St Mary Magdalene's church, on the day Britain's King Charles and Queen Camilla are expected to attend the Royal Family's Christmas Day service
The tragic moment would precede a string of devastating events that befell the Royal Family, most notably the Princess of Wales' distressing cancer announcement.
She revealed in March that she had been undergoing preventative chemotherapy since late February, after being diagnosed with cancer.
Chemotherapy uses powerful drugs to attack tumours and is typically given to treat cancer directly or shrink a tumour in preparation for surgery.
But it can also be used as a preventative option in the hope of stopping cancer coming back - with as much as 46 per cent decrease in returning cases, according to a 2019 study.
In a video released in September, Kate admitted the last nine months had been 'incredibly tough' for her and her family.
'The cancer journey is complex, scary and unpredictable for everyone, especially those closest to you,' she said.
After six months of preventive chemotherapy the princess says she is now 'cancer free'.
'Although I have finished chemotherapy, my path to healing and full recovery is long and I must continue to take each day as it comes,' she added.
Initially the reason for Kate's surgery was understood to be non-cancerous.
She later revealed subsequent tests had found cancer was present.
Kate was then advised to undergo a course of preventative chemo and described herself as being in the 'early stages' of that treatment.
Preventative chemotherapy, also called adjuvant chemotherapy, aims to stop cancer coming back once the main tumour has been removed from the body.
It has also taken its toll on her closest, with Prince William declaring 2024 the 'hardest year in my life' following his wife and father's cancer diagnoses.
In a remarkably candid - and at times emotional - interview at the end of his official visit to South Africa in November, he admitted the past few months had been 'brutal'.
But the Prince also said how hugely 'proud' he was of Catherine and the King for handling their health battles with such dignity and bravery.
Slightly sighing and lowering his voice, he said: 'Honestly? It's been dreadful. It's probably been the hardest year in my life. So, trying to get through everything else and keep everything on track has been really difficult.
'But I'm so proud of my wife, I'm proud of my father, for handling the things that they have done.
'But from a personal family point of view, it's been, yeah, it's been brutal'.
Prince William, George, Charlotte, Louis and Kate during the 'Together At Christmas' Carol Service at Westminster Abbey on December 6, 2024 - the last time the family were seen
William left alongside Prince George, William and Louis
The Prince and Princess of Wales released their Christmas card on social media yesterday
The Princess of Wales looked effortlessly chic as she joined Prince William , the King and the rest of the royal family at Christmas Day Church service in Sandringham in today
The Princess of Wales said her family (pictured together on December 25) 'need some time, space and privacy while I complete my treatment'
Catherine, the Princess of Wales (pictured) revealed earlier this year that she had been diagnosed with an undisclosed form of cancer
The Prince and Princess of Wales in the original image, part of a video issued on September 9
King Charles III and Queen Camilla recently returned from a trip to Samoa (pictured in Apia in October)
And speaking earlier that week, he heaped praises on his wife for being 'amazing this whole year'.
Surely the Prince will continue to be a pillar of support for his father, King Charles, who will continue to undergo cancer treatment into 2025.
Shortly before Christmas, a Buckingham Palace source said the 76-year-old's health is still being 'managed' but is 'moving in a positive direction'.
Charles has been carrying on with his duties despite facing a personally challenging year in which both he and the Princess of Wales were diagnosed with cancer.
News of Charles' cancer, undisclosed in its form, came out in February, after it was discovered while he was treated in hospital for an enlarged prostate in January.
He cancelled all face-to-face public duties but returned in April and has since travelled to France for D-Day commemorations, hosted incoming state visits for the Emperor of Japan and the Emir of Qatar, and undertaken a hectic tour to Australia and Samoa with the Queen, despite still undergoing outpatient cancer treatment.
Meanwhile Queen Camilla, 77, is battling her own health woes and is said to be recovering from a bout of pneumonia since returning from a royal tour of Australia and Samoa with her husband.
The chest infection has temporarily ruled her out of a series of royal duties and was at one time said to be resting at home in Wiltshire while being monitored by doctors.