Sarah Ferguson was treated for both skin and breast cancer.
The actress was inspired by Kate Middleton's recent cancer reveal.
King Charles was diagnosed with cancer in February.
ET’s learned Kate Middleton and Prince William will be spending Easter break with their children at their Anmer Hall home.
The Prince and Princess of Wales will not be attending Easter services with the rest of the royal family.
The Duke and Duchess of Sussex also shared a public statement in support of Kate following her announcement.
The royal couple issued a joint statement via Buckingham Palace on Saturday.
Charles's message was succinct but also incredibly well received.
The 'Beverly Hills, 90210' alum also offered a heartfelt message to the Princess of Wales.
Goldsmith was slated to appear in the final Friday night but pulled out 'following today's news.'
Following Kate Middleton's cancer diagnosis, Dr. Jeremy Jones, medical oncologist at Mayo Clinic, breaks down possible treatments.
ET breaks down the events that have led up to Kate Middleton announcing her cancer diagnosis.
ET spoke with Dr. Jeremy Jones from the renowned Mayo Clinic to get answers on Kate Middleton's cancer treatment.
The Princess of Wales announced her cancer diagnosis on March 22.