<p>Start your new year off with a sensational new haircut, with inspiration courtesy of pop culture's biggest stars.&nbsp;</p>

<p>From classic blonde waves to cropped coppery 'dos, 2025 was jam-packed with wild, unexpected, and undeniably alluring hairstyle swaps.</p>
<p>From <a href="https://www.lofficielusa.com/pop-culture/kourtney-kardashian-travis-barker-relationship-timeline-instagram-pda" target="_blank" rel="noopener">Kourtney Kardashian</a>'s edgy, blunt-cut bangs to <a href="https://www.lofficielusa.com/fashion/emma-chamberlain-peter-mcpoland-breakup-no-bra-outfit-red-carpet-photos" target="_blank" rel="noopener">Emma Chamberlain</a>'s charming blonde pixie cut, hair transformations went every which way: from longer to shorter, curlier to straighter, and dark to light. But if there was one overarching philosophy that bound all of the year's notable pop culture hairstyles together, it was the tendency towards bold looks. This year, celebrities had no fear when it came to embracing a new look.&nbsp;</p>
<p>Though the year had its fair share of unique chops and style moments, there were a few trends that ruled 2025, to be sure. Perhaps the leading beauty trend of 2025 was the bob. From the ultra-chic cropped <a href="https://www.lofficielusa.com/beauty/french-bob-haircuts-for-women-hair-trends-blunt-cut-fine-hair-celebrity-hair-inspiration" target="_blank" rel="noopener">French bob</a> to the sweeping, glamorous lob, 2025 was the year we&mdash;and all of our favorite sartorial stars&mdash;embraced the bob in all of its forms.&nbsp;</p>
<p>As we head into 2026, the cultural zeitgeist is bound to brand a new trendy 'do of the moment or a widely copied It girl's signature style, but ahead of all the big chops and dramatic <a href="https://www.lofficielusa.com/beauty/recession-beauty-trends-brunette-hair-nails" target="_blank" rel="noopener">dyes</a>, join&nbsp;<em>L'OFFICIEL&nbsp;</em>as we dive into all of the best celebrity hairstyle transformations to take as your inspiration over the next year.&nbsp;</p>

<h2 style="text-align: center;">Millie Bobby Brown</h2>

Millie Bobby Brown at the 'Stanger Things' Season 5 premiere. Getty Images.

<p>Over the course of 2025, Millie Bobby Brown was a sartorial chameleon, to be sure&mdash;and her penchant for swapping styles carried over to her hair, too. Though she may be most famous for her daring buzz cut, sported all the way back in the mid-2010s as an emerging child star, the blonde locks she began wearing earlier this year became equally synonymous with her. As the year came to a close, the actress opted for a medium-length brunette 'do, accented with dark maroon highlights.&nbsp;</p>

<h2 style="text-align: center;">Sydney Sweeney</h2>

Sydney Sweeney at the Governors Awards in November 2025. Getty Images.

<p>Throughout her time in the spotlight, <a href="https://www.lofficielusa.com/pop-culture/sydney-sweeney-cleavage-dress-braless-the-housemaid-premiere-movie-photos" target="_blank" rel="noopener">Sydney Sweeney</a> has undoubtedly become closely associated with her long, blonde locks, but this year, ahead of her press tour for <em>Christy</em>, she jumped on the <a href="https://www.lofficielusa.com/fashion/sydney-sweeney-no-bra-braless-sheer-naked-dress-haircut-bob" target="_blank" rel="noopener">bob</a> bandwagon and debuted a cut that sits elegantly just above the shoulder.&nbsp;</p>
<p>In the time since she's adopted the style, Sweeney has worn it in numerous ways, ranging from old Hollywood-inspired loose waves (as seen at this year's Governors Awards) to a blunt, super-straight bob, proving either way, the endlessly versatile bob reigns supreme for good reason.&nbsp;</p>

<h2 style="text-align: center;">Ariana Grande</h2>

Ariana Grande at the premiere of 'Wicked: For Good' in New York City in November 2025. Getty Images.

<p>Since news broke that pop darling <a href="https://www.lofficielusa.com/pop-culture/ariana-grande-wicked-career-quitting-music-actor-roles-movies-upcoming-projects-tour" target="_blank" rel="noopener">Ariana Grande</a> would star as Glinda in the film adaptations of <em>Wicked</em>, the singer-turned-actress has worn long blonde locks with pride, in honor of her character. However, ahead of the press tour for the second movie, she took to the salon and swapped her golden hair for a subdued, yet chic, cool brown hue.</p>
<p>While some fans online have suggested that Grande's new 'do spells out her intention to go for the starring role in an upcoming Audrey Hepburn biopic&mdash;her bangs evoke the late starlet's own signature style&mdash;the actress herself alluded to the new shade as a way to close the chapter on her <em>Wicked&nbsp;</em>era.&nbsp;</p>

<h2 style="text-align: center;">Julianne Moore</h2>

Julianne Moore in New York City in May 2025. Getty Images.

<p>Earlier in 2025, <a href="https://www.lofficielusa.com/film-tv/julianne-moore-female-relationships-december-2024-issue-interview" target="_blank" rel="noopener">Julianne Moore</a>, who has long had cascading coppery locks, bet big on the bob trend. The <em>Sirens&nbsp;</em>actress stepped out in New York with a cropped style that fell just above her shoulders.</p>
<p>Though she evidently enjoyed the shorter hairstyle, she has since been spotted sporting a longer wavy style, presumably in an effort to grow out her hair.&nbsp;</p>

<h2 style="text-align: center;">Kate Middleton</h2>

Kate Middleton in September 2024. Getty Images.

<p>In September 2025, Princess of Wales, Kate Middleton, made a stir among royal fans when she attended an event with&nbsp;<em>considerably&nbsp;</em>lighter locks than usual. Typically, the princess is known for her warm, chocolate brown hair, so the "bronde" shade she appeared with proved a notable shift.&nbsp;</p>
<p>Per the <a href="dailymail.co.uk/lifestyle/article-15309033/Kate-reveals-secret-new-lighter-hair-Su-Pollard-Royal-Variety-Performance.html" target="_blank" rel="noopener"><em>Daily Mail</em></a><a href="dailymail.co.uk/lifestyle/article-15309033/Kate-reveals-secret-new-lighter-hair-Su-Pollard-Royal-Variety-Performance.html" target="_blank" rel="noopener">,</a> Middleton said, <span>"It used to be brown, but it&rsquo;s gone light in the sunshine," when explaining her new look.&nbsp;</span></p>

<h2 style="text-align: center;">Emma Stone</h2>

Emma Stone in New York City in October 2025. Getty Images.

<p>As any devoted cinephile knows, Emma Stone shaved her head earlier for her role in the buzzy film&nbsp;<em><a href="https://www.lofficielusa.com/film-tv/bugonia-movie-cast-trailer-release-date-plot-yorgos-lanthimos-emma-stone" target="_blank" rel="noopener">Bugonia</a>.&nbsp;</em>In the time since, the star has sported just about every transitional hairstyle in the book, from buzzcut to bixie, but one of her most stylish looks was her short, ear-length bob from this fall.&nbsp;</p>

Kim Chae-won performing with Le Sserafim on Dec. 31, 2025. Getty Images.

<p>Just a few months back, the beloved K-pop star wowed fans when she stepped out with a neon orange haircut to support the release of Le Sserafim's new song, "Spaghetti." The idol is no stranger to bright hair colors, but the vibrant tangerine hue was a new look, to be sure. However, for the group's New Year's Eve performance in New York City, she went for yet another transformation, this time in the form of a dark brown lob and wispy bangs.&nbsp;</p>

All Of The Most Dramatic Celebrity Hair Transformations of 2025

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