The Diplomatic Corps Reception is arguably the most highly anticipated annual event on the royal calendar. The white-tie affair is one of the few times during the year the ladies in the family don the spectacular royal jewels — and Queen Camilla sparkled in the late Queen Elizabeth II’s rarely seen Aquamarine Ribbon Tiara

Though she wasn't a blood relative of Queen Elizabeth II, Kate Middleton appeared to share a close bond with the monarch, and she still honors the late queen with her sartorial choices to this day. Yesterday,

The Princess of Wales joined her husband, Prince William, for her first state visit since her cancer diagnosis.

The Princess of Wales attended the Ceremonial Welcome at Horse Guards Parade, wearing one of the late Queen's most iconic pieces of jewelry.

The Princess of Wales made a bold statement in the color to honor the flag of Qatar while hosting Sheikh Tamim bin Hamad Al Thani on his royal visit.

As Buckingham Palace confirms Camilla was suffering from a form of pneumonia, the Waleses step up to kick off the state visit.

Queen Elizabeth and Princess Kate aren’t the only British Royals who had a penchant for these jewels, however. In 1982, the Queen loaned both the choker and earrings to Princess Diana for a State Visit at Buckingham Palace. Kate also paid homage to Diana on Tuesday by wearing her sapphire ring which was a gift from William upon their engagement.

Perhaps no one best displays the power of a compelling sartorial symbol than Princess Kate. In the months since she announced the end of her chemotherapy treatment for her cancer diagnosis, the Princess of Wales’s public appearances have been few and far between.

Kate Middleton has a busy day today as she returns to a fuller royal schedule after undergoing chemotherapy earlier this year. This morning, the Princess of Wales joined her husband, Prince William, for a ceremonial welcome to kick-off to the two-day visit of Emir of the State of Qatar,