Queen Elizabeth, Meghan Markle, Prince Harry, Prince William and Kate Middleton.Photo: Paul Grover - WPA Pool/Getty ImagesKate MiddletonandPrince Williamhave supported each other throughout the royal family’s ongoing estrangement fromPrince HarryandMeghan Markle, and the Sussexes' claims ofmistreatmentandracismduring their time as working royals.Kate has been “really, really upset about it all,” one close insider tells PEOPLE in this week’s cover story.Adds a friend: “Everything with Harry and Meghan has been hugely stressful, but if anything, it’s pulled [her and William] closer together. She was upset about it because [William] was so upset. Seeing her husband so distraught was tough.“The topic of Meghan, 40, and Prince Harry, 37, has caused some rare candid moments for the couple. Shortly after the Duke and Duchess of Sussex’s interview withOprah Winfrey, during which they revealed there were “concerns and conversations about how dark [Archie’s] skin might be when he’s born,” Prince William told reporters, “We are very muchnot a racist family.“Prince Charles, Prince William, Kate Middleton, Meghan Markle and Prince Harry.Samir Hussein/WireImageLast month, Kate was quick to change the subject during a visit to a school when one of the students asked about Meghan and Harry. “What else?” she promptly responded.For more on PEOPLE’s cover story onKate Middletonand other top stories, listen below toour daily podcast on PEOPLE Every Day.The friend tells PEOPLE: “She’s no pushover. She has an inner strength for sure.“Can’t get enough ofPEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton, Meghan Markle and more!The past year has seen another shift within the royal family as 95-year-oldQueen Elizabethhas curtailed some of her public activity amid health concerns. As a result, Kate finds herself closer than ever to the inevitable historic moment when she takes her place as Queen Catherine alongside a King William.She is “more and more impressive as time goes on,” says a source close to the royal household. “She is a focused and professional woman.”

Queen Elizabeth, Meghan Markle, Prince Harry, Prince William and Kate Middleton.Photo: Paul Grover - WPA Pool/Getty Images

Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex, Prince William Duke of Cambridge and Catherine, Duchess of Cambridge

Kate MiddletonandPrince Williamhave supported each other throughout the royal family’s ongoing estrangement fromPrince HarryandMeghan Markle, and the Sussexes' claims ofmistreatmentandracismduring their time as working royals.Kate has been “really, really upset about it all,” one close insider tells PEOPLE in this week’s cover story.Adds a friend: “Everything with Harry and Meghan has been hugely stressful, but if anything, it’s pulled [her and William] closer together. She was upset about it because [William] was so upset. Seeing her husband so distraught was tough.“The topic of Meghan, 40, and Prince Harry, 37, has caused some rare candid moments for the couple. Shortly after the Duke and Duchess of Sussex’s interview withOprah Winfrey, during which they revealed there were “concerns and conversations about how dark [Archie’s] skin might be when he’s born,” Prince William told reporters, “We are very muchnot a racist family.“Prince Charles, Prince William, Kate Middleton, Meghan Markle and Prince Harry.Samir Hussein/WireImageLast month, Kate was quick to change the subject during a visit to a school when one of the students asked about Meghan and Harry. “What else?” she promptly responded.For more on PEOPLE’s cover story onKate Middletonand other top stories, listen below toour daily podcast on PEOPLE Every Day.The friend tells PEOPLE: “She’s no pushover. She has an inner strength for sure.“Can’t get enough ofPEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton, Meghan Markle and more!The past year has seen another shift within the royal family as 95-year-oldQueen Elizabethhas curtailed some of her public activity amid health concerns. As a result, Kate finds herself closer than ever to the inevitable historic moment when she takes her place as Queen Catherine alongside a King William.She is “more and more impressive as time goes on,” says a source close to the royal household. “She is a focused and professional woman.”

Kate MiddletonandPrince Williamhave supported each other throughout the royal family’s ongoing estrangement fromPrince HarryandMeghan Markle, and the Sussexes' claims ofmistreatmentandracismduring their time as working royals.

Kate has been “really, really upset about it all,” one close insider tells PEOPLE in this week’s cover story.

Adds a friend: “Everything with Harry and Meghan has been hugely stressful, but if anything, it’s pulled [her and William] closer together. She was upset about it because [William] was so upset. Seeing her husband so distraught was tough.”

The topic of Meghan, 40, and Prince Harry, 37, has caused some rare candid moments for the couple. Shortly after the Duke and Duchess of Sussex’s interview withOprah Winfrey, during which they revealed there were “concerns and conversations about how dark [Archie’s] skin might be when he’s born,” Prince William told reporters, “We are very muchnot a racist family.”

Prince Charles, Prince William, Kate Middleton, Meghan Markle and Prince Harry.Samir Hussein/WireImage

Prince Charles, Prince of Wales, Prince William, Duke of Cambridge and Prince Harry

Last month, Kate was quick to change the subject during a visit to a school when one of the students asked about Meghan and Harry. “What else?” she promptly responded.

For more on PEOPLE’s cover story onKate Middletonand other top stories, listen below toour daily podcast on PEOPLE Every Day.

The friend tells PEOPLE: “She’s no pushover. She has an inner strength for sure.”

Kate Middleton Cambridge

Can’t get enough ofPEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton, Meghan Markle and more!

The past year has seen another shift within the royal family as 95-year-oldQueen Elizabethhas curtailed some of her public activity amid health concerns. As a result, Kate finds herself closer than ever to the inevitable historic moment when she takes her place as Queen Catherine alongside a King William.

She is “more and more impressive as time goes on,” says a source close to the royal household. “She is a focused and professional woman.”

source: people.com