Mary-Kate and Ashley Olsen are a discreet pair. Still milling around prominent fashion and upper-east side circles, but rarely heralding their appearances by giving any announcements.

But when they do surface, especially at a formal occasion, they tend to take 'twinning' to a whole new adult-sartorial level.

And if there's a 'black tie' dress code? Mary-Kate and Ashley usually have a very literal take on the required formality of the occasion.

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Case in point, last night's CFDA Fashion Awards 2019.

Mary-Kate Olsen and Ashley Olsen wearing black dresses by The Row fo CFDA fashion awards 2019
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While other awards guests opted for a super bright palette - see Jennifer Lopez in colour-block Ralph Lauren - Mary-Kate and Ashley Olsen stuck to their preferred floor-length black, sporting designs by their ready-to-wear label The Row.

Previous recipients of an award at the prestigious event - they took home the Accessory Designer of the Year award in 2018 - they nabbed the same award for the second year running in 2019. They win this accolade for their collection of handbags, eyewear, and footwear, under The Row's label.

Mary-Kate Olsen and Ashley Olsen wearing black dresses by The Row fo CFDA fashion awards 2019
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26th April, 2019:

This week, the pair turned up for YAGP's 20th Anniversary Gala 'Stars Of Today Meets The Stars Of Tomorrow at the David Koch Theatre, in New York City.

Some, such as Candice Miller used the glamourous opportunity to pop on a sparkly evening gown.

Mary-Kate and Ashley Olsen April 2019
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The Olsens, both 32-years-old, chose to stick to their routine black, as per. However, Mary-Kate Olsen did give us a little treat in the form of a fabulous pair of pointy-toed kitten heels.

Mary-Kate Olsen red shoes
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The shoes, which appear to be Manolo Blahnik suede buckle mules, are still available to buy online.

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Fancy a slightly less expensive version? We've got you covered:

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Also in attendance at the event was brother to a former French president and current husband of Mary-Kate, 49-year-old Olivier Sarkozy.

Olivier Sarkozy mary kate olsen
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We haven't seen the Olsen pair out in an official capacity since the February 2019 Vanity Fair Oscars party.

Ashley Olsen at the Vanity Fair Oscars party 2019
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Ashley Olsen at the Vanity Fair Oscars party 2019
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