The traditional colour of nail polish for celebrations worn by the royal family is pink; as this is the favourite colour of Queen Elizabeth II. Although it has never been written down officially.
The Duchess of Sussex made a surprise appearance at the British Fashion Awards with nail polish matching the black envelope - against the unspoken royal family rules.
Last night The Duchess of Sussex presented the British Designer of the Year – Womenswear to Clare Waight Keller at the @BFC #FashionAwards. pic.twitter.com/kECmhCUpBy
— Kensington Palace (@KensingtonRoyal) December 11, 2018
Markle made her appearance to present the British Womenswear Designer of the Year award to Givenchy’s Clare Waight Keller, who was also Markle’s wedding dress designer.