The Prince and Princess of Wales have marked 15 years of marriage with a heartfelt family portrait.

Taking to social media, the royal couple posted a sweet photo with their children, a decade and a half after they exchanged vows at Westminster Abbey on April 29, 2011.

In the candid picture, which looks to have been taken during a family holiday in Cornwall earlier this month – which also saw their youngest son Prince Louis playing in the sand, enjoying a game of cricket and running along the beach.

William and Catherine can be seen lounging in the grass while their three children are sprawled next to them, with the whole family basking in the sun.

‘Celebrating 15 years of marriage,’ they wrote.

Fans congratulated the future King and Queen in the comments section, with one person writing they remember the royal wedding as if it were ‘yesterday’.

Last year, the royal couple released a romantic picture taken during their visit to the Isle of Mull, where they are known as the Duke and Duchess of Rothesay.

It showed Kate and William lovingly holding each other as they enjoyed a quiet moment at dusk in Tobermory.

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The Prince and Princess of Wales have marked 15 years of marriage with a heartfelt family portrait

They arrived earlier in the day, wearing matching tweed jackets as William and Kate carried out a series of engagements across the Scottish island, but also pencilled in some quality time for themselves on the romantic getaway.

The official visit came two decades after William and Kate holidayed on the Scottish island with a group of their university friends, the Daily Mail’s Royal Editor Rebecca English revealed.

They enjoyed their stay so much that they even had a ‘water bomb match’ with their neighbours, sipped pints in the local pub, did their shopping in the Co-op and enjoyed a friendly BBQ with locals.

On the eve of their 15th wedding anniversary, Prince William returned to his old RAF base in Anglesey for what would have been an especially sentimental trip.

Before they were married, Kate decided to move to Wales with her prince charming, who was stationed at RAF Valley as a search and rescue pilot between 2010 and 2013.

The royal couple moved into a rented home for which they paid £750 as William admitted the early years of their relationship were ‘great fun’ during yesterday’s visit to RAF Valley.

The life partners of more than 20 years became friends first at university, where Kate was working towards an art history degree, while William, who initially enrolled for history of art, had switched to geography, before embarking on a romance.

It is said that Kate caught the attention of the young prince at a charity fashion show in the Spring of their first year at university.

A 20-year-old Kate confidently strutted in front of her peers wearing a revealing sheer dress with a black bra and underwear for a fashion show titled ‘The Art of Seduction’. (It had actually been a see-through skirt or minidress worn as a top).

Prince William, who paid £200 for a table close to the catwalk, is said to have been open-mouthed. The lace slip itself later sold for £78,000.

They then moved in to an apartment with friends during their second year of studies ‘as friends’ but ‘it just sort of blossomed from there really,’ the Prince later said in the couple’s official engagement interview

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Kate and Prince William on their graduation day at St Andrews University, in June 2005

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In their second year, William moved in with Kate, and their friends Fergus Boyd and Olivia Bleasdale into a two-story apartment on Hope Street (the house second on the right) in the middle of town for £100 a week

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Kate Middleton modelling on the catwalk at a student fashion show attended by Prince William in March 2002

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William proposed to Kate in a cabin hut roughly 11,000 feet above sea level on the side of Mount Kenya in Africa

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William and Kate pose for photographs after announcing their engagement to the press in the State Apartments of St James’s Palace on November 16, 2010

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Despite a short hiatus in 2007, William proposed in 2010 in a cabin hut roughly 11,000 feet above sea level on the side of Mount Kenya in Africa after getting back together.

Before long, they were wed in a grand fairytale ceremony in Westminster Abbey on April 29, 2011, with the aisle of the Gothic London church lined with trees.

The bride wore a stunning Alexander McQueen gown designed by Sarah Burton and the Queen loaned her the Cartier Scroll Tiara for the big day.

Prince Harry served as his brother’s best man, with both the Duke of Sussex and William dressing in traditional military uniforms.

The affair, attended by a crowd of 1,900 including royals, celebrities and politicians from across the globe, was hailed as the wedding of the century at the time.

Following the ceremony, the newlyweds stood on the Buckingham Palace balcony to exchange not one, but two kisses and the celebratory crowds went wild.

Upon their marriage, the Queen granted the couple the titles the Duke and Duchess of Cambridge, which they would later trade in for the Prince and Princess of Wales.

It is likely that this anniversary will be all the more special after William admitted 2024 was ‘the hardest year of my life’ after Kate’s cancer diagnosis, as well as his father’s.

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The couple on their fairytale wedding day at Westminster Abbey on April 29, 2011

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In a video with William and their children, Kate announced she had finished her chemotherapy treatment in September 2024

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The Princess of Wales included deeply personal message in which she thanks those who have supported her, saying she has ‘drawn great strength’ from them

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The Princess of Wales issued her deeply moving video message to the world, revealing that she had been diagnosed with cancer, in March 2024

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A year later, the royal couple attended the annual Commonwealth Day Service of Celebration at Westminster Abbey last month

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In September, the princess revealed she finished her course of ‘preventative chemotherapy’ and shared it reminded her and her husband to ‘reflect and be grateful for the simple yet important things in life, which so many of us often take for granted. Of simply loving and being loved’.

The princess’s personal message to the nation is accompanied by a stunning three-minute-long video showing her and William in Norfolk with their three children Prince George, Princess Charlotte and Prince Louis, shot last summer.

It shows the family playing happily on the beach and in the woods, William and Catherine lying entwined on a blanket, hugging their children – and kissing.

Some six months earlier, Kate released another emotional video where she revealed that she was undergoing treatment for cancer but also gave an insight into her relationship with her husband.

She said the diagnosis came as a ‘huge shock’ to both her and William, adding that they were doing ‘all they can’ to process it both as a couple but also as a ‘young family’.

‘It has taken us time to explain everything to George, Charlotte and Louis in a way that is appropriate for them and reassure them that I’m going to be okay,’ Kate said.

‘Having William by my side is a great source of comfort and reassurance, as is the love, support and kindness that has been shown by so many of you – it means so much to us both.’