staud wells mini dress Day dress, Women's, Size: 28, White Wash cold Black Wavy Dot Mini Wells

The eye-catching long designer dress by La Femme has cowl-neck bodice with thin shoulder straps that cross over the open back, while a banded empire waist wraps around to be tied in an adjustable bow

At Prince Charles and Diana's wedding four decades ago, the dress filled almost the entire nave of St Paul's Cathedral and it's considered to be the dress with the longest train in British royal history

I tried a couple of shockingly bad dresses from Maeve, Anthropologies erstwhile in-house brand: the Sleeveless Brocade Shift Mini Dress and the Brocade Drop Waist Mini Dress

If you prefer it spicier, feel free to add more gochujang or include a pinch of crushed red pepper flakes to enhance the heat

Sizing: Contact stockist for details Expert take: Infusing a touch of old-world glitz with current silhouettes is something Jenny Packham does so well