Now that George is settled at Eton, Kate is joining William in India on first foreign tour for four years

Published: 19:01 EST, 14 November 2026 | Updated: 19:37 EST, 14 November 2026 Catherine will undertake her first official foreign trip with her husband in four years when she accompanies him to Mumbai tomorrow.She will sprinkle a little stardust on Prince William's Earthshot Prize as she joins him for three days of public engagements in India, it can be revealed.Aides told The Mail on Sunday that the princess had been keen to join him because she was so 'incredibly proud' of what he has achieved with his global environmental awards.The last time the couple had a joint royal tour overseas was December 2022 when they flew to Boston, again for Earthshot. Catherine, 44, had major abdominal surgery early in 2024 and was later diagnosed with, and underwent treatment for, cancer.She has spoken openly of the toll her illness took, and last week revealed she was told while in hospital that her recovery 'would not be linear' and there would be 'good days and bad'.However, as part of her slow and measured return to full-time duties she 'tested the water' in foreign climes with a short trip to Italy on behalf of her Centre for Early Childhood in May. She is understood to have felt 'buoyed' at how successful it was. But, while the Daily Mail first revealed in the spring that she was hopeful of joining her husband in India, Kensington Palace have waited until this weekend to confirm.It is understood she wanted to ensure her eldest son, Prince George, was settled as a full-time boarder at Eton College before she made the commitment to attend.The Princess of Wales will undertake her first official foreign trip with Prince William in four years when she accompanies him to Mumbai this week (Pictured with William at the Taj Mahal in 2016) It is thought Catherine is keen to join Prince William in India as she is so 'incredibly proud' of what he has achieved with his global environmental awards (the Prince is pictured here in June making a speech at the Earthshot Prize Impact Assembly in London) The Princess of Wales wanted to ensure Prince George was settled as a full-time boarder at Eton College before committed to the trip (George is pictured arriving at Eton College with his parents in September)Their last visit to India in 2016 took in Mumbai, New Delhi and Agra where they visited the Taj Mahal. They also arrived at a Bollywood charity gala in a highly decorated tuk-tuk and played cricket at the Oval Maidan.And Kensington Palace has been able to organise an updated programme for both of them only in the past few days, with her spokesman telling the MoS: 'The princess is delighted to be joining the prince in India for what is such an important moment in his year.'The Earthshot Prize means an enormous amount to him, and she is incredibly proud of what it has become and wants to be there to support him. 'Earthshot has grown remarkably since she last attended the awards in Boston in 2022, and this promises to be its biggest and most ambitious year yet.'They both have such fond memories of their last visit to India in 2016 and are really looking forward to returning together, celebrating the extraordinary innovation taking place there and meeting the inspiring people behind it.'A source added: 'We're delighted the princess is joining us and I think it's going to be a fantastic few days.'While William remains one of the Royal Family's biggest draws, there's little doubt that having his wife by his side this time will send his trip stratospheric.They will undertake at least nine engagements between Monday and Wednesday, linked to sport, culture, sustainability, youth leadership and the enduring connection between the UK and India.The palace has promised some eye-catching moments including a 'Bollywood' event highlighting the huge Hindi-language movie industry and a game of street cricket.The main event is the Earthshot Prize awards ceremony itself on Tuesday night, which is being streamed worldwide on Amazon Prime.The couple's appearance at the event will see the city turn some of its most iconic landmarks green to mark the occasion – largest so far.Take That will perform in India for the first time, and the royals will be joined by a host of music, film and sports stars including Sachin Tendulkar, Rami Malek and Simone Ashley.For the first time, the Awards Night will reach a global audience across more than 240 countries and territories in 40 languages on Prime Video.