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Flats are not shoes with high heels, of course

Aylen founded her brand in 2009 after taking over her parents attic in East London and launched a womenswear collection heavy on colorful prints designed by Aylen and her team

Here we take a look back at some of the most memorable black gowns in fashion history: Pretty (elegant) woman Julia Roberts won an Oscar for her part in Erin Brockovich in 2001, wearing a black velvet vintage Valentino dress, it came from their Haute Couture autumn-winter 1992/93 collection

If you are curious about what level of formality your event requires, our guide to men's cocktail attire covers that ground in full detail