Kate Middleton's cancer diagnosis was just one challenge she and Prince William had to face together in recent years.

For Prince William and Princess Kate, they've not only been tested with multiple family health battles, but they've faced an unrelenting series of other personal and public challenges over the past five years.

Kate Middleton has opened up about why she and her husband, Prince William, moved their family to Windsor. While attending the Irish Guards' parade at Wellington Barracks as part of the St. Patrick's Day celebrations, the Princess of Wales was reportedly asked where the royals currently reside.