A body language expert told the Daily Mail that Prince William "acted as a buffer" between the Duchess of Cambridge and the Duchess of Sussex during the couples' public appearance to meet mourners outside Windsor Castle following the death of Queen Elizabeth II.
The appearance by Princes William and Harry, each walking alongside his wife, was widely noted for its solemnity and for echoing an earlier moment in the brothers' lives, when young William and Harry met public grief after the death of Princess Diana. The Daily Mail reported that the encounter took place amid a strained relationship between the Sussexes and the remainder of the royal household, a rift that deepened after the couple stepped back as senior working royals in January 2020.
The body language expert, cited by the Daily Mail, described William's positioning between the two duchesses as an attempt to defuse visible tension at the event. The expert's remarks accompanied reporting that the Duchess of Sussex briefly broke royal protocol during the walkout; the Daily Mail did not specify in detail in its summary which protocols were breached.
Reporting on the occasion also referenced material from a book that described the encounter as particularly difficult for the Duchess of Cambridge. According to the Daily Mail's account of the book, Kate found the occasion "one of the hardest things she'd ever had to do." The report placed that personal reaction against a broader backdrop of public attention and heightened scrutiny of the relationships within the family.
The familial tensions have been subject to public debate in recent years, with the publication of Prince Harry's memoir and his legal and security disputes drawing sustained media coverage. The Daily Mail noted that those developments, alongside the Sussexes' departure from senior royal duties, have contributed to an intensification of the rift between the brothers and their spouses.
At the Windsor gathering, the two couples stopped to speak with members of the public who had come to leave tributes and to pay their respects. Observers and commentary pieces at the time contrasted the carefully managed public roles of working members of the royal family with the unusual circumstances created by the Sussexes' changed status and the family's ongoing internal disputes.
The body language assessment and the book's reporting were presented in the Daily Mail's coverage as part of a wider narrative about the monarchy's adjustment to both personal loss and structural change. The newspaper's accounts relied on interpretation of posture, proximity and movement during the walkout to suggest that William's placement was consciously protective or mediating between the two duchesses.
Representatives for the individuals involved did not provide extensive public comment on the specific body language analysis and the book excerpts cited in the Daily Mail. Broader official statements since the queen's death have focused on ceremonial arrangements and the family's role in national mourning, rather than on private interpersonal dynamics.
The Windsor appearance remains one of several highly publicised encounters since the Sussexes' departure from senior royal roles. While some observers have drawn parallels to earlier moments of shared grief in the royal family's history, reporting and commentary have continued to emphasise the changed context and ongoing sensitivities surrounding the relationships among the principal figures.