Kate Middleton and Princess Charlotte's Special Bond Shines in New Video: Inside Their Relationship

The Princess of Wales and her only daughter were together in much of the unprecedented home video

Kate Middleton and Princess Charlotte are one tight mother-daughter team, and that dynamic shined in the Princess of Wales' new video announcing that she completed chemotherapy treatment.

Princess Kate, 42, had lots of one-on-one moments with Princess Charlotte, 9, in the video message, which offered an unprecedented glimpse into the Wales family's private life. The Princess of Wales' announcement about the "relief" of completing chemotherapy and her plans for the coming months was shared along with footage of Princess Kate with Prince William and their children, Prince George, 11, Princess Charlotte and Prince Louis, 6, exploring the great outdoors. Kate and Charlotte were seen close together in almost all the family scenes.

"Life as you know it can change in an instant and we have had to find a way to navigate the stormy waters and road unknown," Princess Kate said in message, which was interspersed over footage of two family walks where she and Charlotte held hands.

Related: Kate Middleton and Prince William Change Profile Photos on Social Media as She Completes Chemo

The royal mom wrapped her arm around her only daughter as they shared a close chat in another snippet, and they sat next to each other during the friendly card game with Princess Kate's parents, Carole and Michael Middleton, as well as a picnic beneath a tree, where they hugged.

Princess Kate and Princess Charlotte were in sync as they ran to hop on a hay bale in a field together, calling to mind the Princess of Wales' comment that she was happiest "with my family outside in the countryside, and we're all filthy dirty" on the Happy Mum, Happy Baby podcast in 2020.

The three-minute clip closed with video of Kate and Charlotte holding hands as they skipped in the surf on a beach together, where playful George and Louis looked totally soaked.

The footage was filmed by Will Warr in August in Norfolk, home to the Prince and Princess of Wales' country residence, Anmer Hall. Warr has made videos for Prince William and Princess Kate before, taping their behind-the-scenes compilation of the coronation in May 2023 (where Kate and Charlotte memorably matched outfits), Princess Kate's baby bank visit with her kids at the end of the year and more.

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The Wales family was expected to spend much of the late summer at Anmer Hall, which is near the beaches of north Norfolk, with a stay at Balmoral Castle, hosted by King Charles, factored in too.

"She won’t have to be on center stage," a palace insider told PEOPLE about how Princess Kate could relax at the royal family's summer sanctuary in the Scottish Highlands. "Being with her family and just being herself will give her energy. There will be plenty of time to focus on her recovery."

Kate made two public appearances this year after announcing in March that she was receiving cancer treatment. She joined her family at Trooping the Colour on June 15 to celebrate King Charles' official birthday as sovereign, and attended Wimbledon with Princess Charlotte and her sister Pippa Middleton one month later.

A highlight of the trio's appearance at the tennis championships was the look of love Charlotte gave her mother when she walked into the stadium to a standing ovation.

Karwai Tang was the photographer who captured the sweet moment and told PEOPLE about the family outing, "You can tell that all three of them were enjoying themselves — Charlotte is following the game like her mother. You can see their excitement."

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In a revelation about their life at home, Princess Kate later told men's singles final champ Carlos Alcaraz of Spain that her family tuned into tennis on television!

"We've watched a lot on telly, so it's great to finally get to meet you," Kate told Alcaraz in the Wimbledon club house when she, Charlotte and Pippa popped in after the match.

Along with an appreciation for the great outdoors, Prince William and Princess Kate seem to have passed their passion for sports to their three kids.

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