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The most copyable celebrity look this week might also be the quietest one. Adria Arjona wore a black dress and a serious amount of sparkle, and that is pretty much the whole recipe.
Her stylist, Dani Michelle, shared the look on Instagram on October 6 with a short caption crediting Tiffany & Co. Hola reports the dress was worn to the Tiffany and M.A.D. dinner at the Musée des Arts Décoratifs in Paris during fashion week, an evening celebrating designer Jean Schlumberger’s legacy.
View this post on Instagram
Photo via stylist Dani Michelle’s official Instagram.
What Adria Arjona wore
The sources I could find don’t name the dress designer, so I’m describing the pieces instead of guessing. Here is what is visible and reported:
- A black dress with a sweetheart neckline, thin straps and soft off-the-shoulder detailing
- Statement Tiffany & Co. jewelry, with a necklace as the focal point
- A relaxed updo that keeps the neck and collarbone clear
- Soft, neutral makeup so nothing competes with the diamonds
That is it. No print, no second color, no extra layers.
Why this look works
The sweetheart neckline does the heavy lifting. It draws a gentle curve across the chest, which gives a necklace the perfect place to sit.
Black helps too. A plain dark background makes jewelry look sharper and more expensive, the same way a gallery wall makes a painting pop.
Then there is the hair. Pulling it up means the necklace is never hidden, and a loose, slightly undone updo keeps the whole thing from looking stiff.

How to recreate it, step by step
Start with the dress. Look for a black dress with a sweetheart or softly scooped neckline and thin straps, in a fabric with a little weight (crepe, satin or a heavy jersey). Thin, flimsy fabric clings in the wrong places and wrinkles after one wear.
Choose one jewelry statement. If you pick a bold necklace, wear small studs. If you want big earrings, skip the necklace. Adria’s look works because only one thing is shouting.
Keep shoes simple. A pointed black pump, a strappy sandal or a sleek ankle boot all work, and nobody will be looking down anyway.
Finish with a wrap. A tailored coat or a cashmere shawl in camel or ivory keeps you warm and adds a second shade without cluttering the outfit.
Budget and splurge swaps
You don’t need real diamonds to get this effect. A cubic zirconia or crystal necklace on a fine chain gives the same sparkle for the price of a nice lunch, and a good sterling silver piece will last for years.
If you want to splurge, spend on the dress rather than the jewelry. A well-cut black dress gets worn at weddings, dinners and holiday parties, while a statement necklace tends to live in a drawer. High street shops in the UK and mall brands in the US both carry solid black dresses in the 60 to 150 dollar range (roughly 50 to 120 pounds), so the fit matters more than the label.

Who this look suits
Sweetheart necklines flatter most body shapes because they open up the chest without going too low. If you prefer more coverage, ask a tailor to add a tiny hidden snap, or layer a thin black bodysuit underneath.
For a smaller bust, a structured bodice gives shape. For a fuller bust, look for built-in support and wider straps so the dress stays put all night.
If you like polished, repeatable looks, you might also enjoy Daisy Edgar-Jones’s vintage Armani suit. It also works across ages, which is part of why it feels so safe. You are not following a trend, you are following a shape that has worked for decades.
Hair and makeup that match
The updo is easier than it looks. Dry shampoo at the roots gives grip, then twist the hair up, pin it loosely and pull out a few strands near the face. Messy on purpose is the goal.
For makeup, think glowy skin, a soft brown or rose lip and a little mascara. Sparkly jewelry already brings the shine, so you can skip heavy eyeshadow. If you want a bolder lip, check our holiday makeup looks for ideas that last all night.
Mistakes to avoid
Don’t pile on a necklace, a choker and a pendant at once. Layering works in daytime outfits, but a black dress with a sweetheart neckline needs breathing room.
Don’t wear a bra that shows through the neckline. A strapless or clear-strap option in your skin tone fixes it in seconds.
And don’t pick a dress that is too tight across the bust. The sweetheart shape only looks elegant when the fabric lies flat, so size up and have it taken in if needed.
Styling it for different occasions
For a wedding or a dinner, keep the full Adria formula: updo, one statement piece, simple heels. For a holiday party, add a red lip or a velvet clutch, and browse our Christmas outfits for women or New Year’s Eve outfits for more ways to dress it up.
For something more casual, swap the heels for loafers and throw a cropped leather jacket on top. It sounds odd, but a dressy dress with a rougher layer always looks more modern.

A quick shopping checklist
Before you buy anything, run through this list. Does the neckline sit flat on you when you move and sit down? Is the fabric heavy enough to skim rather than cling? Can you wear a necklace with it without the chain tangling in the straps?
If you answer yes three times, buy it. If not, keep looking, because the right black dress is worth waiting for.
FAQs
What kind of black dress did Adria Arjona wear?
It was a black dress with a sweetheart neckline, delicate straps and off-the-shoulder detailing, styled with Tiffany & Co. jewelry. The designer wasn’t named in the sources I found.
Where was the look worn?
Hola reports it was the Tiffany and M.A.D. dinner at the Musée des Arts Décoratifs in Paris, held during Paris Fashion Week.
How do I make a black dress look expensive?
Choose a heavier fabric, make sure it fits at the waist and bust, and keep the accessories to one statement item. Pressing or steaming the dress helps more than people expect.
Can I wear this style in winter?
Yes. Add sheer or opaque tights, ankle boots and a long coat, and keep the necklace as the star.
The best part of this look is how repeatable it is. One good dress, one good necklace, hair up, and you’re done.
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