Sydney Sweeney Hairstyles: Her Best Looks and How to Get Them
For most of her career, Sydney Sweeney’s hair has been a long, blonde signature: soft waves, plenty of shine and a clear nod to old Hollywood. Over the past two years she has also shown she is willing to change it completely, from a brunette mullet for a film role to a pale blonde bob. These are the looks that have defined her, and what it takes to wear them.
Glossy, brushed-out waves
This is the look most people picture. At the Los Angeles premiere of Euphoria Season 3 in April 2026, her longtime hairstylist Glen Oropeza gave her long, cascading waves with a mirror-like finish. As Us Weekly reported, most of the work was in the preparation: heat protectant on damp mid-lengths and ends, a smoothing blow-dry, then waves brushed out so they read as soft movement rather than defined curls, finished with a lightweight oil for shine.
The brushing-out is the step people skip. Curl in sections with a large barrel, let each section cool completely, then brush through with a paddle or boar-bristle brush until the curls merge into one continuous wave pattern. Keep oil to the ends; at the roots it flattens the volume that makes this style work.
Old Hollywood updos
For the 2025 Met Gala, where she wore a shimmering Miu Miu gown, Oropeza swept her hair into a high-shine bun and shaped the front into glossy finger waves and two kiss curls, according to Bustle. Later that year, at the Academy Museum Gala, he went softer: he split the hair in two, twisted the sections over one another into a bun and pulled out pieces around the face to suit her halter neckline.
The two looks illustrate a useful rule. A sleek, sculpted updo suits a gown with a clean neckline, where the hair becomes the detail. A looser twist with face-framing pieces balances a halter or high neck. Both start from hair that has been blow-dried smooth; very freshly washed, slippery hair is harder to pin, so many stylists prefer to work on second-day hair or add a little texture spray first.
The brunette mullet for Christy
In October 2024, Sweeney shared behind-the-scenes photos from her role as the boxer Christy Martin, wearing a curly brunette mullet with a distinctly 1990s shape. It was a character transformation rather than a personal style choice, but it remains the most dramatic change she has made on screen and a reminder that her hair is often part of the acting work.
The bleached blonde bob
While promoting Christy in October 2025, Sweeney arrived at AFI Fest in Hollywood with a bob, widely described as the biggest change she had made to her own hair. Oropeza styled it with a middle part and soft waves, and colorist Jacob Schwartz lifted her shade to what he called a “bleached suede blonde,” paler than the darker bronde she had been wearing, Marie Claire reported. At Variety’s Power of Women event the same month, she wore the bob with the ends flipped sharply outward.
If you are considering something similar, a few practical points apply. A blunt bob around the jaw depends on a crisp line, so it needs regular trims. A middle part with loose waves keeps it soft; a pronounced flip reads more retro and deliberate. Very thick hair may need some weight removed from the interior so the shape does not widen into a triangle, while fine hair tends to look fuller at this length than it does long.
Back to curls
By early December 2025, at a New York screening of The Housemaid, the bob had given way to 1970s-inspired curls falling just below her shoulders, worn with a silver Miu Miu gown and a white feather boa, according to E! News. It was a return to the volume she is best known for, and by the Euphoria premiere the following spring her hair was long again.
Looking after heat-styled, lightened hair
Sweeney has not published a detailed hair-care routine, so rather than guess at her products, it is more useful to note what any heavily styled blonde needs. Apply heat protectant every time you use hot tools, and keep the temperature as low as your hair will allow, especially if it is fine or bleached. Lightened hair is more porous, so a regular conditioning mask helps it hold shine. Washing less often and relying on dry shampoo between blow-dries also reduces how much heat the hair sees each week.
