From dramatic dye jobs to new cuts, here are some of the biggest celebrity hair makeovers of the year.&nbsp;

As the infamous Fleabag once said, hair is everything.
There is nothing quite like the feeling of getting a complete hair transformation. Whether that be in the form of <a href="https://www.lofficielusa.com/beauty/do-natural-hair-dyes-really-work" target="_blank" rel="noopener">dyed hair</a>, <a href="https://www.lofficielusa.com/beauty/why-you-need-bangs-curtain-bangs-how-to-style" target="_blank" rel="noopener">curtain bangs</a>, or <a href="https://www.lofficielusa.com/beauty/10-celeb-inspired-bob-hairstyles" target="_blank" rel="noopener">blunt bobs</a>, the perfect hairstyle has the ability to completely shift a person's entire outer appearance.&nbsp;
Celebrities are constantly switching up their hair, and it's one of the most exciting things to witness. From <a href="https://www.lofficielusa.com/fashion/billie-eilish-and-finneas-best-matching-looks" target="_blank" rel="noopener">Billie Eilish</a>'s shaggy blonde transformation to <a href="https://www.lofficielusa.com/fashion/street-style-fall-winter-2021-haute-couture-pfw-bella-hadid-florence-pugh" target="_blank" rel="noopener">Florence Pugh</a>'s most recent short haircut,&nbsp;L'OFFICIEL&nbsp;rounds up the biggest celebrity hair transformations of 2021, leaving you with the perfect new look to potentially emulate.&nbsp;

Gigi Hadid

Shortly after debuting her bold <a href="https://www.lofficielusa.com/beauty/gigi-hadid-debuts-new-bangs-hairstyle-after-zayn-malik-breakup" target="_blank" rel="noopener">auburn bangs</a>, the 26-year-old beauty stepped out in New York City in a vinyl red jumpsuit and some familiar locks. After almost a year as a redhead, the <a href="https://www.lofficielusa.com/fashion/gigi-hadid-new-mom-style" target="_blank" rel="noopener">Hadid</a> seems to be back to her roots as a blonde.

Florence Pugh has had brown hair for the past couple months, but the <a href="https://www.lofficielusa.com/film-tv/scarlett-johansson-sues-disney-lawsuit-black-widow-movie-release" target="_blank" rel="noopener">Black Widow</a>&nbsp;star took it a step further as she said goodbye to her luscious long locks and debuted a short, pixie-mullet haircut.&nbsp;

The supermodel shifted from her usual blonde strands and went full brunette. <a href="https://www.lofficielusa.com/beauty/hailey-bieber-dyes-blonde-hair-brown-brunette" target="_blank" rel="noopener">Bieber</a> had been teasing a slow transformation to chocolate brown hair as her blonde highlights of the summer had been gradually entering the realm of the fall season's warm brown tones.&nbsp;

<a href="https://www.lofficielusa.com/beauty/selena-gomez-birthday-beauty-looks" target="_blank" rel="noopener">Selena Gomez</a> has been playing with her hair all year. In April, the Rare Beauty&nbsp;founder transformed her dark locks into a <a href="https://www.lofficielusa.com/beauty/selena-gomez-blonde-hair-color-instagram" target="_blank" rel="noopener">creamy blonde color</a> that took eight hours to achieve. The singer went back to her brunette roots in July, and then went for a blunt bob in her latest transformation in October.&nbsp;

<a href="https://www.lofficielusa.com/music/christina-aguilera-tour-opener-drax-project" target="_blank" rel="noopener">The "Genie in a Bottle" singer</a> started off the year with her signature platinum blonde hair, only to switch it up in October with a vibrant red dye job to go hand-in-hand with her new music.&nbsp;

The&nbsp;<a href="https://www.lofficielusa.com/film-tv/watch-trailer-gossip-girl-reboot-hbo-max-release-date" target="_blank" rel="noopener">Gossip Girl</a>&nbsp;actress debuted a <a href="https://www.lofficielusa.com/pop-culture/celebrity-mullet-haircut-miley-cyrus" target="_blank" rel="noopener">chic blonde mullet</a> at the <a href="https://www.lofficielusa.com/fashion-week/rihanna-savage-x-fenty-vol-3-show-amazon-prime-video" target="_blank" rel="noopener">Savage x Fenty Volume 3</a> premiere in New York City. It's clear that nostalgia has been playing a huge role in the fashion and beauty trends of today, and Peak's tribute to the classic '80s hairstyle is more proof of it.&nbsp;

<a href="https://www.lofficielusa.com/film-tv/margot-robbie-greta-gerwig-barbie-doll-movie-filming-2022" target="_blank" rel="noopener">Margot Robbie</a> first revealed her beautiful new bangs at <a href="https://www.lofficielusa.com/fashion/every-look-2021-oscars-red-carpet-academy-awards" target="_blank" rel="noopener">the Oscars</a> back in April, but&nbsp;British Vogue's&nbsp;August issue allowed us to see her gorgeous golden highlights and French girl fringe up close and personal.&nbsp;

The Maze Runner&nbsp;heartthrob returned to our radars after his <a href="https://www.lofficielusa.com/beauty/platinum-hair-dye-crisis-solution-trend-2019" target="_blank" rel="noopener">bleach blonde</a> buzzcut went viral all over social media. O'Brien's new look was due to his role in Hulu's upcoming film&nbsp;Not Okay, in which he stars alongside <a href="https://www.lofficielusa.com/film-tv/zoey-deutch-politician-zombieland-fendi-couture" target="_blank" rel="noopener">Zoey Deutch</a>. The&nbsp;Teen Wolf&nbsp;alumn's haircut was also sported with temporary tattoos that resembled a <a href="https://www.lofficielusa.com/fashion/emily-ratajkowski-pete-davidson-and-adwoa-aboah-moose-knuckles-campaign" target="_blank" rel="noopener">Pete Davidson</a>-esque look that had fans in an absolute meltdown.&nbsp;

<a href="https://www.lofficielusa.com/pop-culture/bella-hadid-misses-met-gala-fashion-month-releases-kin-euphorics" target="_blank" rel="noopener">Bella Hadid</a> is known for her constantly shifting hairstyles. In August, the supermodel went <a href="https://www.lofficielusa.com/beauty/y2k-2000s-hair-trend-tiktok-celebrity" target="_blank" rel="noopener">full 2000s</a> as she debuted neon orange and blonde front streaks with an assymetrical jet black color.&nbsp;

<a href="https://www.lofficielusa.com/fashion/willow-smith-style-evolution-new-music" target="_blank" rel="noopener">Willow Smith</a> is an absolute rock star, and it's only natural that her hair follows in suit. In her concert documentary released on July 16, the singer closed out the show with a rock rendition of her 2010 hit "Whip My Hair" and took a quick interlude to shave her entire head during the performance. Since then, both <a href="https://www.lofficielusa.com/politics-culture/willow-smith-red-table-talk-best-moments" target="_blank" rel="noopener">Willow and Jada Pinkett Smith</a> have both been rocking the shaved head look the best way a mother-daughter duo can.&nbsp;

Never forget <a href="https://www.lofficielusa.com/fashion/billie-eilish-instagram-viral-blonde-shag-haircut" target="_blank" rel="noopener">Billie Eilish's iconic hair transformation</a> when she went from her signature green and black to a luminous blonde. The singer took it a step further as she chopped it to a chic bob dedicated to her mother.&nbsp;

The Best Celebrity Hair Transformations of 2021

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