The future queen said she undergoing preventative chemotherapy and is not expected to resume her royal duties until she’s been cleared by her doctors.

Kate said in her video she will return as soon as she is able to but is currently focusing on making a full recovery.

She said: “My work has always brought me a deep sense of joy and I look forward to being back when I am able, but for now I must focus on making a full recovery.”

Later, a Palace spokesperson confirmed: “The princess will return to official duties when she is cleared to do so by her medical team.

“She is in good spirits and is focused on making a full recovery.”

Today, King Charles led the royals for an “Easter lite” type of service in order to minimise contact with other people as Britons all across the country are celebrating Easter.

Charles is currently undergoing therapy for his cancer, and while he still undertakes his constitutional duties, he has minimised his public-facing appearances, until he fully recovers.

On Thursday, the King pledged to serve the nation with “my whole heart” in a moving Easter message which was broadcast at the Royal Maundy service in Worcester, where Queen Camilla represented him – a first for a Consort.

The monarch said the verse from the Gospel according to St John “has its origin in the life of our Lord, who knelt before his disciples, and to their great surprise, washed their trouble-weary feet”.

He added that in doing so, Jesus set “an example of how we should serve and care for each other” – and how as a nation “we need and benefit greatly from those who extend the hand of friendship to us, especially in a time of need”.