As many royal fans know, Prince Harry and Meghan Markle recently celebrated their daughter Princess Lilibet Diana’s third birthday. While no royals were in attendance, many of the couples’ celebrity pals and Lilibet’s buddies were all there for the birthday bash.

Sarah Ferguson is opening up about how the royal family is supporting one another as three members–including herself, Kate Middleton and King Charles III –battle cancer. The Duchess of York emphasized that "family unity is key" to getting through tough times in a new interview with Hello!

Sarah Ferguson revealed earlier this year that she was diagnosed with skin cancer just months after having a mastectomy, and the Duchess of York recently opened up about howPrincess Eugenie and Princess Beatrice supported her during the health crises.

Sarah Ferguson, the Duchess of York, praised "brave" Kate Middleton amid the Princess of Wales and her father-in-law King Charles III's respective cancer diagnoses.

In our exclusive interview with Sarah Ferguson, the Duchess tells how she, King Charles and Kate Middleton are supporting each other through cancer diagnoses