The Duchess seemed unbelievable in an off-the-shoulder black and white grown.

The costume is by designer Roland Mouret and known as the Lamble Off-The Shoulder Two-Tone Gown, in Black/White.

Kate’s costume is claimed to value prices £2,700 based on The Daily Express’ official royal reporter, Richard Palmer.

She additionally wore sparkly star earrings, believed to be from Robinson Pelham. They are the Tsar Star Studs and Drops and price a staggering £10,560.