Princess Eugenie and Jack Brooksbank wed at Windsor Castle, inviting an array of big names. According to the Huffington Post, one of the guests that stood out was model Cara Delevingne. For the wedding Delevingne wore a top hat, chic black suit and heels, along with a white shirt and grey tie. While most women wear hats or fascinators, the model decided to break with tradition. Other models at the event were Naomi Campbell And Kate Moss.