blue and white long sleeve dress Petal Pup Women's Harlan Midi Actual product measurements may vary by up to 5cm. Solid & Striped Women's Long

Fully lined with built-in bra cups for secure, all-night wear

In more photos from the evening (which can be viewed here), Rihanna was spotted walking just behind A$AP Rocky, who wore a pinstripe Miu Miu button-up with contrasting striped grey jeans and a Gucci logo beanie

While many of items were worn on formal occasions, others demonstrated Dianas quintessential take on casual 80s and 90s style, including a scarlet nylon ski suit and an oversized sweatshirt bearing the logo of the British Lung Foundation (which both smashed estimates to sold for $325,000 and $221,000, respectively)

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Our Editor-in-chief paired trend-forward black cargo pants with a long-sleeve black top and cool sneakers for the outfits base