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Kate Middleton's new family video features one heartbreaking detail

The Duke and Duchess of Cambridge have been married ten years

Jenni McKnight

The Duke and Duchess of Cambridge celebrated their tenth wedding anniversary on Thursday by releasing a sweet home video to mark the occasion.

The never-before-seen clip featured their children Prince George, Princess Charlotte and Prince Louis – and a special appearance by their late pet dog, Lupo, who sadly passed away in November 2020.

MORE: Prince Harry and Meghan congratulate William and Kate on their anniversary

In the sweet video, the Cambridges are enjoying some family time at their country home in Norfolk, and taking part in fun activities like toasting marshmallows over an open fire and going on leisurely walks on the beach. One part of the 30-second clip sees William and Kate embracing as they sit on the beach before Lupo makes a brief appearance by their side.

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WATCH: The Cambridges' heart-melting home video

Thanking royal fans for their support over the last decade, the couple captioned the video: "Thank you to everyone for the kind messages on our wedding anniversary. We are enormously grateful for the 10 years of support we have received in our lives as a family. W & C."

READ: Kate Middleton and Prince William's unusual 10th wedding anniversary gifts revealed

MORE: 26 memorable moments from Prince William and Kate Middleton's royal wedding

Last November, William and Kate shared the sad news that Lupo had passed away by posting a photo of him sitting down and looking into the distance on Instagram.

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The couple's late pet Lupo made a brief appearance in the video

The lovely picture was captioned with the heartbreaking news. It read: "Very sadly last weekend our dear dog, Lupo, passed away. He has been at the heart of our family for the past nine years and we will miss him so much. - W & C."

Lupo had a family connection as he was bred from Ella, a dog owned by the Duchess' parents, Michael and Carole Middleton.

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Kate and William have been married ten years

Around the same time in 2020, Kate's brother, James Middleton, reportedly gifted his older sister and her family an eight-month-old pup.

Prince William and Kate were said to be "besotted" with the decision to welcome a new puppy into their lives when they were living at their Norfolk home, Anmer Hall.

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