Prince William has been taking on a larger role within the Royal Family over the past year. And according to a royal expert, the late Queen Elizabeth II would've been proud of her grandson's new approach to the monarchy.

Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not informed for almost 10 years that a member of her staff had spied for the then-Soviet Union.

During Princess Kate's heartfelt visit to Royal Marsden Hospital in London, Kate held onto an accessory with deep ties to the late monarch.

Kate Middleton returned to the Royal Marsden Hospital—where she received chemotherapy for her cancer—on January 14, and shared insight into her treatment while also revealing that she was in remission.