Here’s How to Nail a Semi-Formal Dress Code Like a Celebrity
If you’ve ever wondered what to wear to a semi-formal event, I’ll let these celebrity outfits do the talking.
Semi-formal dress codes are one of those things that always sound simple until you actually have to get dressed for them mainly because it lands right in the middle of two popular dress codes. Cocktail? Hmm, not quite. Black-Tie? Yes, but more pared back. Whenever I’m confused (which is often), I look to the celebrities who somehow make semi-formal look like a personality trait. Alexa Chung, for example, arrived at the Burberry show in an outfit so perfectly calibrated it made me rethink everything I thought I knew about “easy” dressing.
After studying more red carpets, fashion week arrivals, and event photos than I’d like to admit, I’ve identified the patterns. Zoe Kravitz leans into minimalism, Tracee Ellis Ross always brings sculptural silhouettes, Hailey Bieber does the clean-girl polished thing, and Paloma Elsesser proves structure and softness can coexist beautifully. Below, I break down exactly what makes each look work—and how you can recreate them without needing a stylist on speed dial.
Zoë Kravitz
A lace slip dress with a fur coat on top makes for the perfect example of understated glamour. It feels all dressed up without crossing into the black-tie category.
Tracee Ellis Ross
Now if someone tells you that you can’t get away with shorts at a semi-formal occasion, just show them this photo of Tracee Ellis Ross and they’ll be thoroughly convinced.
Ashley Graham
A knit dress always makes a big statement but doesn’t necessarily make for a black-tie affair. That’s why this one worn by Ashley Graham would be my dream attire for a semi-formal night out.
Alexa Chung
People often ask me what outerwear is appropriate to wear at a semi-formal event and I can’t rave enough about the power of a trench coat. This staple naturally elevates any look in seconds and pairs very well with a good pair of heels.
Hailey Bieber
Hailey Bieber is a woman who chooses to wear color only on a special occasion. She’s more likely to be caught in an LBD than a bright green mini dress. That’s why I feel this photo defines semi-formal attire, because this is a dress code that encourages everyone to have some fun.
Paloma Elsesser
Here’s more proof that semi-formal means you have to wear a dress. This power dressing ensemble that consists of a silk top and black pants would be a great move especially for a business forward event.

Sierra Mayhew is a fashion editor at Who What Wear, bringing a decade of industry experience to the editorial team. Since joining in 2021, she has made her mark by blending luxury and accessible fashion, decoding runway trends, and curating must-have shopping lists. Before joining Who What Wear, Sierra sharpened her skills at Harper's Bazaar and Elle, with bylines in Bazaar.com and collaborated with iconic brands such as Gucci and Ferragamo. A graduate of the University of Notre Dame, Sierra translates editorial expertise into viral social content, making fashion engaging for a new generation. Her unique perspective is rooted in her love for travel, music, and discovering the hidden gems that make New York City a constant source of inspiration.
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