Princess Kate will attend the Wimbledon men's final tomorrow to present the winner's trophy, it has been announced.
The Princess of Wales will hand over the prize to either Novak Djokovic or Carlos Alcaraz, Kensington Palace said.
But she will not attend today and Wimbledon chairwoman Debbie Jevans will instead present the women's champion trophy on behalf of Kate to either Jasmine Paolini or Barbora Krejcikova following the women's singles final.
Contingency plans had been put in place for the Duchess of Gloucester, an Honorary President of the Lawn Tennis Association for 25 years, to step in if the Princess of Wales was unavailable due to her ongoing preventative cancer treatment.
Kate was last seen in public watching Trooping The Colour last month.
The Princess of Wales presented Spain's Carlos Alcaraz with the Wimbledon men's singles trophy after he defeated Serbia's Novak Djokovic in the final in July last year
Catherine's only public appearance since her cancer diagnosis was alongside her family at Trooping the Colour last month, her presence at which was only confirmed the day before
The Princess of Wales has been patron of the All England Club for eight years, after taking over from Queen Elizabeth, who had served in the role since 1952 - and has presented the trophies each year since 2016.
She said last month that she hoped to attend the occasional engagement over the summer but urged the public to bear with her as, like many cancer patients, she has 'good and bad days'.
Her husband Prince William, president of the Football Association, is heading to Germany to attend England's Euro 2024 final against Spain in Berlin's Olympiastadion tomorrow evening.
Meanwhile, William and Kate's official @KensingtonRoyal account on X, formerly Twitter, today posted a message welcoming Princess Anne back to royal duties - calling her a 'Super Trooper'.
They shared photos of the Princess Royal attending a Riding for the Disabled Association event, adding: 'Super trooper! So great to see you back so soon! W & C x'
Anne is said to be making a 'gradual return' to royal duties, having been taken to hospital on June 23 with minor head wounds and concussion after walking around her Gatcombe Park estate in Gloucestershire.
Her doctors believe her injuries to be consistent with being struck by a horse.
Kate's appearance at Trooping The Colour saw her watching the spectacle with her three children from the Duke of Wellington's former office before a reunion with her father-in-law King Charles on the Buckingham Palace balcony.
The Princess of Wales was seen beaming as she left Buckingham Palace for Trooping the Colour last month - her previous public appearance before tomorrow's Wimbledon final
Behind-the-scenes video footage filmed at Buckingham Palace showed Kate playing with her daughter Princess Charlotte’s hair as they watched last month's annual spectacle
Prince William is heading to Berlin for England's Euro 2024 final tomorrow after watching the Three Lions defeat Switzerland on penalties in Dusseldorf in their quarter-final last Saturday
Kate has only been seen once in public since announcing her cancer diagnosis in an online video (pictured), but has said she hoped to attend the occasional summer engagement
She last year presented the women's singles Wimbledon prize to the Czech Republic's Marketa Vondrousova after defeating Tunisian Ons Jabeur
Kate's parents Carole and Michael Middleton were in the Royal Box for the Wimbledon Championships on July 4 alongside All England Club chair Debbie Jevans (right)
She said in a statement the day before that she was making 'good progress' with her treatment, but candidly added that she has 'good days and bad days'.
She has been working from home, but added: 'I am not out of the woods yet.'
Kate first revealed in a video issued on March 22 that she was diagnosed with cancer the previous month, having spent a fortnight in the private London Clinic for abdominal surgery in January.
She and husband Prince William later told of being 'extremely moved' by the outpouring of goodwill from across the world since her shock announcement.
Kate was put on what has been described as a 'recovery pathway' after starting a course of chemotherapy in late February.