black formal dress with slit ANNIKA high slit completes the design Velvet Black Dress With Illusion

To keep the outfit elegant, pair it with a classic cashmere or woolen sweater from the Allude collection

The romantic dress is very reminiscent of another beautiful royal wedding - when Grace Kelly married Prince Albert of Monaco and became theiconic Princess Grace

Built-in bust cups provide comfort and support, allowing full freedom of movement

Taking on her sisterly wedding duties, the Duchess was in charge of keeping Pippa's train in tact as she entered the church, recreating a sweet moment from the royal wedding back in 2011: Lauren Alexis Fisher is the Senior Editor at Cosmopolitan , overseeing digital content across fashion, lifestyle, beauty, sex, and culture