During her Nov. 9 appearance, Princess Kate paid a subtle tribute to her late mother-in-law, Princess Diana, wearing a pair of Collingwood pearl earrings that once belonged to the former royal, People reports.

Middleton wore a sleek black coat dress pinned with the poppy brooch that has served as a symbol of remembrance since World War One.

Kate Middleton paid a touching tribute to Princess Diana as she made her first high-profile public appearance in months alongside the Prince of Wales at the Festival of Remembrance.

On Saturday night, Kate Middleton made her first public appearance since announcing she had finished preventative treatment for cancer – and this year’s Festival of Remembrance was a particularly emotional event with several nods to Princess Diana.

It’s a double dose of Kate Middleton. After appearing at Saturday’s Festival of Remembrance, the Princess of Wales, 42, again took part in the weekend’s festivities on Sunday. For the somber event,

They might be the United Kingdom's most powerful family - but they still take family time very seriously. According to the new book New King, New Court by royal biographer Robert Hardman, as reported by Hello!

Kate Middleton joined her husband Prince William for the annual Festival of Remembrance this weekend in her first major royal event since finishing chemotherapy treatment