On Saturday, Kate Middleton made a public appearance on behalf of the British royal family at the annual Festival of Remembrance at the Royal Albert Hall, marking her fourth official outing this year.

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.

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.