The British royal family was out in full force at the annual Festival of Remembrance at the Royal Albert Hall—including Kate Middleton, who has slowly begun to return to work after announcing she had finished chemotherapy.

Kate Middleton made a subtle fashion statement at the Festival of Remembrance with a go-to uniform and Princess Diana's jewelry. See photos and learn more.

The Princess of Wales had her hair down and wore a pair of drop pearl and diamond earrings. Netizens were quick to point out that the earrings were worn by Princess Diana, who received them as a present from Collingwood Jewellers in London.

Britain's Princess Kate attended a Remembrance Day event in London on Saturday, in her latest public engagement after undergoing preventive treatment for cancer this year. Kate arrived for the Festival of Remembrance at London's Royal Albert Hall wearing a black dress adorned with a red poppy,

Kate Middleton attended the Festival of Remembrance, marking her second public engagement with Prince William since completing her chemotherapy treatment, to honor the Armed Forces and veterans.

Princess Kate wore the late Princess Diana’s engagement ring, flashing the large sapphire ring with diamond accents.

Kate Middleton took a significant step in her recovery from cancer on Saturday as she attended her first major royal occasion since ending chemotherapy.