Rose Hanbury, the Marchioness of Cholmondeley, attends the final day of the Badminton Horse Trials alongside Queen Camilla and the Tindalls

Rose Hanbury, 40, (pictured) was seen wearing a blue suit and shirt as she joined Camilla to watch the action on the last day of the equestrian event in South Gloucestershire.

Stealing Prince Louis' cheeky chappy crown? Zara Tindall's son Lucas, 3, sticks his tongue out in an animated display as he joins father Mike, siblings Mia, 10, and Lena, 5, as well as Queen Camilla at the Badminton Horse Trials

The famously cheeky Prince Louis could be rubbing off on his cousin as Lucas Tindall poked out his tongue at the Badminton Horse Trials today in Gloucestershire.

Stealing Prince Louis' cheeky-chap crown? Zara Tindall's son Lucas, three, sticks his tongue out in animated display as he joins father Mike, siblings Mia and Lena and Queen Camilla at the Badmington Horse Trials

Queen Camilla looked chic in a blue summer dress at day four of the Badminton Horse Trials, while Zara Tindall was spotted trotting along with her horse Class Affair, to an inspection, in Gloucestershire.

Beaming Queen Camilla looks anything but blue in a check midi dress as she joins competing Zara Tindall at day four of the Badminton Horse Trials

Queen Camilla looked chic in a blue summer dress at day four of the Badminton Horse Trials. While Zara Tindall was spotted trotting along with her horse Class Affair, to an inspection, in South Gloucestershire.

Prince William rocks his shades as he visits a surf beach in Cornwall - before showing off his volleyball skills in an impromptu game

The Prince of Wales, 41, joined in a game with teenagers from a local lifesaving club on Fistral Beach in Newquay, Cornwall.

On form! King Charles jokes about being 'let out of my cage' and getting children time off school at Army training base - as William gets stuck in playing volleyball and rocking the shades on Cornish surf beach

King Charles III, who is Colonel-in-Chief of the Royal Engineers, visited the 3 Royal School of Military Engineering in Minley, Surrey - while Prince William headed to Newquay in Cornwall.

Cancer-stricken King Charles jokes he's glad to be 'out of my cage' at Army training base while William rocks the shades on Cornish surf beach - after neither saw Harry on his UK visit

King Charles III, who is Colonel-in-Chief of the Royal Engineers, visited the 3 Royal School of Military Engineering in Minley, Surrey - while Prince William headed to Newquay in Cornwall.

RICHARD EDEN: The real reason that King Charles won't see Harry, as revealed to me by Palace insiders

There were widespread reports that the Duke of Sussex planned to see his father during this week's visit to London - and surprise, even shock, when no such get-together happened.

King Charles and Queen Camilla tell double-amputee Tony Hudgell they will make sure he can see them after he missed Buckingham Palace garden party because of traffic

The nine-year-old boy, who lost both legs to horrific abuse by his birth parents, has been forced to miss the party because he got stuck in traffic on his way to London.

King Charles was 'delighted' and 'playful' at garden party at Buckingham Palace - while a 'solitary' and 'wary' Harry attended Invictus service just two miles away, body language expert claims

Body language expert Judi James said King Charles certainly looked to be having a great time as he hosted a garden party alongside his wife Queen Camilla at Buckingham Palace.

Harry's happy family! Princess Diana's clan back the Prince at his Invictus anniversary event - as her brother Earl Spencer and her sister Lady Jane Fellowes lead guests supporting Duke's project while busy King and Royals host Palace garden party

The late Princess of Wales ' brother Earl Spencer and elder sister Lady Jane Fellowes walked in side-by-side to St Paul's before chatting to their now US-based nephew.

Harry's happy family! Princess Diana's clan back the Prince at his Invictus anniversary event - as her brother Earl Spencer and her sister Lady Jane Fellowes lead guests supporting Duke's project while 'too busy' King 'snubs invite' and stays away

The late Princess of Wales ' brother Earl Spencer and elder sister Lady Jane Fellowes walked in side-by-side to St Paul's before chatting to their now US-based nephew.

Team Diana back Harry at Invictus anniversary as her brother Earl Spencer and her sister Lady Jane Fellowes lead guests in support of the Duke's project

The late Princess of Wales ' brother Earl Spencer and elder sister Lady Jane Fellowes walked in side-by-side to St Paul's before chatting to their now US-based nephew.

Prince Harry's brave face as he meets crowds leaving St Paul's Cathedral after Invictus Games service while King Charles hosts Buckingham Palace garden party as he was 'too busy' to see his son during his whistle-stop UK visit

King Charles has not been able to find time to see his son Harry today despite them being just two miles apart at different events in London - one at St Paul's Cathedral, the other at Buckingham Palace.

Harry's lonely homecoming: Prince puts on brave face as he arrives alone at St Paul's Cathedral for Invictus service - while Charles leads the Royal Family at Buckingham Palace garden party just two miles away

King Charles has not been able to find time to see his son Harry today despite them being just two miles apart at different events in London - one at St Paul's Cathedral, the other at Buckingham Palace.

King Charles looks in his element to be at Queen Camilla's side at first royal garden party of the year as they're joined by Princess Anne and Sophie

The monarch, 75, who had taken a break from public duties amid his treatment for cancer , appeared in very good spirits as he spoke to guests at Buckingham Palace in London.

Prince Harry waves to crowds as he arrives at St Paul's Cathedral for Invictus Games service while King Charles hosts Buckingham Palace garden party after he was 'too busy' to see his son during his whistle-stop UK visit

King Charles has not been able to find time to see his son Harry today despite them being just two miles apart at different events in London - one at St Paul's Cathedral, the other at Buckingham Palace.

Just two miles away but worlds apart: Charles hosts Buckingham Palace garden party at same time Harry holds Invictus service in nearby St Paul's after King was 'too busy' to see his son - as William carries out investiture ceremony in Windsor

King Charles has not been able to find time to see his son Harry today despite them being just two miles apart at different events in London - one at St Paul's Cathedral, the other at Buckingham Palace.

King Charles arrives to host first Buckingham Palace garden party of season at the same time Harry holds Invictus service at St Paul's - after Duke said his father was 'too busy' to see him

King Charles has not been able to find time to see his son Harry today despite them being just two miles apart at different events in London - one at St Paul's Cathedral, the other at Buckingham Palace.

RICHARD KAY: The very telling reason why Harry and the Royal Family's relationship is more broken than ever

Prince Harry's arrival in Britain had triggered speculation that father and son would meet. There was even murmur of an olive branch being extended.

RICHARD KAY: Far from reuniting them, Charles's cancer seems to have added to their estrangement

Prince Harry's arrival in Britain had triggered speculation that father and son would meet. There was even murmur of an olive branch being extended.