Peter Phillips and fiancée Harriet Sperling are set to welcome almost the entire Royal Family to their June wedding - but one notable person is expected to miss the event. 

Andrew Mountbatten-Windsor has reportedly not been invited to the private Gloucestershire ceremony as the monarchy continues efforts to distance itself from the fallout surrounding his long-running scandal linked to convicted sex offender Jeffrey Epstein. 

Reports in recent weeks have suggested it is considered 'unlikely' he will attend amid continuing reputational concerns surrounding the King's disgraced brother.

The couple are set to marry at All Saints Church on June 6 in what insiders describe as an intimate but deeply significant royal gathering.

Among those expected to attend are King Charles and Queen Camilla, alongside Peter's mother Princess Anne and Vice Admiral Sir Tim Lawrence.

Also expected at the Gloucestershire ceremony are the Prince and Princess of Wales, as well as Prince Edward, Duke of Edinburgh and Sophie, Duchess of Edinburgh.

Peter's sister Zara Tindall and her husband Mike Tindall are also expected to attend the celebrations.

Peter, 48, and Harriet, 45, officially announced their engagement in August last year after first being linked in May 2024. 

In a statement to announce the joyous news, they said both families were 'delighted'.

The wedding will mark a new chapter for Peter following the breakdown of his marriage to Canadian-born Autumn Kelly. 

The former couple married in a lavish 2008 ceremony at St George's Chapel and later welcomed daughters Savannah, now 15, and Isla, 13, before separating in 2019. 

Their divorce was finalised in 2021.

Harriet, who has a 13-year-old daughter named Georgina from her first marriage, has quickly become a familiar and warmly received face within royal circles. 

Last summer she was seen laughing alongside the King at Royal Ascot after joining members of the Royal Family in the official carriage procession - a strong sign of how accepted she has become within the Firm.

Earlier this year, the couple appeared happier than ever as they attended Cheltenham Festival alongside Zara and Mike Tindall. 

Peter looked visibly smitten as Harriet proudly displayed her engagement ring - a sparkling design said to contain a touching tribute to the late Elizabeth II, having been created by the same jeweller behind the Queen's iconic 1946 engagement ring.

Harriet herself also boasts wealthy connections, sharing a relation to the Duke of Gloucester through her late father, Rupert Sanders.

Royal biographer Richard Fitzwilliams has suggested the upcoming ceremony will be markedly different from Peter's first wedding, which reportedly left sections of the Royal Family 'bewildered'.

Harriet herself has spoken openly about the importance of faith in her life, previously revealing how Christianity helped her through the challenges of single motherhood.

In an interview in 2009, she revealed that her 'faith was always in me, but it was kind of dormant'.

She added: 'Somehow it didn't seem relevant to my life in London. But the end of a seven-year relationship was the turning point for me. I went to church as I felt there was something missing.'

Writing last year for Christian magazine Woman Alive, Harriet also spoke candidly about the difficulties of raising a child alone while finding comfort in her faith.

According to her professional biography, Harriet lives in Gloucestershire and works as a paediatric nurse specialist for the NHS, where she is described as being 'passionate about early brain development in babies and seeing children thrive'.

In 2010, she was part of a specialist medical team credited with helping save the life of a critically ill baby struck down by a deadly virus at just three weeks old.

Now, with nearly all senior royals expected to gather in the Cotswolds this summer, Peter and Harriet's wedding is shaping up to be one of the most significant private royal family celebrations of the year.