We might have been all about florals, pastels and bold, eye-catching hues when it comes to the best summer wedding guest dresses, but as we look ahead to autumn, Gillian Anderson has proved that nothing beats black evening wear as the most timeless option regardless of the season.
Stepping out in Soho for an early screening of her new film Teenage Sex and Death At Camp Miasma, the actress looked stunning in a sleek black halterneck maxi dress with a sweeping, asymmetric hemline. Treading the line between a cocktail dress and something formal enough for black-tie dress codes, the elegant, minimally accessorised dress proved that black evening attire never fails to look chic.
Gillian opted for a pair of sky-high stilettos, a delicate gold chain bracelet and a simple gold ring on her thumb for pared-back polish that felt both elevated and timeless.
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ME+EM is one of the best British clothing brands out there, and this dress shows exactly why. Crafted from crepe fabric, it drapes beautifully over the body to skim the figure, delivering a fluid and flattering shape.
These heels from New Look are a sleek and streamlined footwear option. Wearable with evening maxi dresses or your favourite jeans, you'll get plenty of wear out of them.
After spotting Gillian's simple thumb ring, we wouldn't be surprised if the jewellery look took off as the next big trend. We're getting ahead of it with this sleek, 18ct gold-plated ring.
If halter necklines aren't for you, don't worry; you can still recreate Gillian's look with a timeless black dress like this one from Mint Velvet. A sweeping, asymmetric hem, classic round neck, and delicate drape through the body make it a very elevated choice.
It's not just the high stiletto heel that gives Gillian's footwear an elevated edge, thin straps create a classic look that delivers understated glamour and a barely there aesthetic that's ideal for evening looks.
This charming chain bracelet from Next is a super affordable piece to accessorise with. Its understated elegance perfectly complements the feel of her timeless black dress.
While boho and heritage styles are set to dominate autumn/winter fashion trends for 2026, black evening attire is going nowhere. The rich hue always remains a stylish staple for autumn capsule wardrobes because it is so simple and elegant.
Understated, yet glamorous, Gillian's halter neckline is ideal for those looking to create a longer and leaner frame, as the elongated silhouette draws the eye up and along your frame and firmly to your face. Of course, this sleeveless style isn't for everyone, but it does certainly work hard to create a taller torso.
Adding leg-lengthening heels, the sweeping asymmetric hemline stretches out your silhouette, drawing the eye down to the longest point for a taller finish.
