Being a blonde bombshell is very much Sydney Sweeney's vibe, so you'd be forgiven for not recognising her after this major on-set brunette hair transformation.

BTS shots just hit the internet of her filming for her new movie Eden, in Australia, and it being down under makes a lot of sense because honestly, it's like Sydney in reverse.

Her sunny blonde hair and signature look is replaced with a simple and modest brown, curled style and set into a low bun for the period movie. Meanwhile, there doesn't appear to be a scrap of make-up on her face (though given it's a film there probably is). And her pale blue polka dot dress buttoned to the collar and falling past the knee is definitely not to be found in Cassie's Euphoria wardrobe that's for sure.

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We know acting is about transforming into someone else, but considering there are no special effects make-up or CGI here, it's quite wild how much she looks like a different person for her character in Eden.

Described as a 'survival thriller' about explorers in the Galapagos islands, the film also stars Vanessa Kirby, Jude Law, Ana De Armas and Daniel Bruhl. Intrepid Explorer isn't typically my genre of choice but sign me up for this one...

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Elena Chabo
Former Beauty Writer

Elena Chabo is Cosmopolitan UK's former beauty writer, working on everything from buzzy celeb news and trending beauty, to sincere first-person reviews and engaging video content for social media. She also creates meatier features and expert-led how-to guides, for print and online. Her passion for Black beauty, textured hair, and the ways beauty interacts with culture, society, identity and relationships, quickly took over her writing career and led her into beauty journalism. Following an MA in Magazine Journalism in 2017, she cut her teeth across various roles at Stylist Magazine, before taking on a Digital Writer role at Good Housekeeping. It was here that beauty took centre stage and she launched and ran the site's first stand-alone beauty section. Remaining at Hearst, she joined the Cosmo beauty team in 2022. Find her on LinkedIn.