The never-before-told revelation appears in a new tell-all biography, William and Catherine: The Intimate Inside Story, by The Mirror’s royal editor Russell Myers<\/a>. In the fourth and final part of our exclusive serialisation, it can be revealed how William called off his four year relationship with Kate after she delivered him an ultimatum to commit to their future or she would be the one to walk away.<\/p>\n READ MORE: Kate Middleton believed Harry and Meghan were ‘not to be trusted’ after explosive move<\/a>READ MORE: Pippa Middleton\u2019s hidden support role – from Kate’s cancer statement to entertaining kids<\/a> The late Queen intervened after William split with Kate (Image: Getty Images)<\/p>\n Myers offers new context around the Prince and Princess of Wales’s split and how the late Queen intervened in a moment that changed the course of royal history.<\/p>\n For the first time it can be revealed how William’s grandmother convinced him to rekindle his love and also how the Queen gave Kate advice on dealing with the pressures of “headstrong husbands” and a future role as a senior member of the royal family<\/a>.<\/p>\n The late Queen gave advice to Kate before her wedding (Image: Getty Images)<\/p>\n The biography, available to pre-order now, has over the past four days has revealed how Prince William<\/a> wanted his disgraced uncle Andrew banished from royal life immediately after his disastrous BBC<\/a> Newsnight interview in 2019.<\/p>\n It also unearthed the true story on how William and Kate felt about the Sussexes’ departure from royal life and provided never-before-told context on how the Princess of Wales dealt with her shock cancer diagnosis.<\/p>\n The book also highlights the Prince and Princess of Wales\u2019s life from their earliest meeting at St Andrews University to the current day and how they have shaped their vision for a modern monarchy and its safe continuation at a time of extreme change and turmoil.<\/p>\n A new biography William and Catherine: The Intimate Inside Story , by The Mirror’s royal editor Russell Myers<\/p>\n Myers said: \u201cI’ve spent almost a decade following The Prince and Princess of Wales as part of the Royal pack and have always believed there’s so much more to the couple than the spectacle reveals. The result of this biography is a truly intimate portrait of William and Catherine; providing not just unparalleled insight into who they are as individuals, but seismic revelations about them as a couple and the world<\/a> they inhabit.<\/p>\n “This biography moves beyond the headlines as it explores love, resilience, and their journey together as they navigate their public duties amid this unprecedented era.”<\/p>\n William and Catherine: The Intimate Inside Story, published on 26 February by Ebury, Penguin Random House, is available to pre-order now<\/a>.<\/p>\n Get the inside scoop on the monarchy with Mirror Royal<\/p>\n WHATSAPP GROUP: Be first to get the biggest royal bombshells and exclusives to your phone by joining our Royal WhatsApp here.<\/a><\/p>\n We also treat our community members to special offers, promotions, and adverts from us and our partners. If you don\u2019t like our community, you can check out any time you like. If you\u2019re curious, you can read our Privacy Notice<\/a>.<\/p>\n![\"The](\"https:\/\/www.newsbeep.com\/us-ny\/wp-content\/uploads\/2026\/02\/0_Gallipoli-ANZAC-Commemorative-Events.jpg\")
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