How Euphoria Changed Sydney Sweeney's Body Confidence

Sydney Sweeney has built a reputation as one of Hollywood's most fearless performers — but the 28-year-old actress recently revealed the quiet struggle she carried for years before stepping into the spotlight. In a candid interview with Us Weekly, Sweeney opened up about growing up with a body she did not know how to love, and explained how a single role on HBO's Euphoria changed everything. That breakthrough, she said, ultimately led her to launch her own lingerie brand, SYRN — a line designed for women who have spent too long settling for bras that do not fit, priced at $19 and up.

The story has struck a particular chord in South Korea, where Sweeney has become a trending search term in recent weeks. Korean fans have long followed her career, and the curiosity intensified further when BLACKPINK's Jisoo was announced as the latest recipient of the Madame Figaro Rising Star Award at CANNESERIES — an honor Sweeney herself previously received. The intersection of two worlds that rarely meet has made her personal story all the more compelling to K-entertainment audiences discovering her for the first time.

Growing Up in a Body She Couldn't Understand

Sweeney was raised in Spokane, Washington, and by the time she reached sixth grade, her body had already developed in ways her peers had not. She was wearing a 32DD bra before most of her classmates were in middle school, and the experience left a lasting mark on her self-image.

"I never felt confident," Sweeney said. "I never had anything I felt good in, and I just wanted to hide." The discomfort followed her into high school, where the situation became serious enough that she considered breast reduction surgery. Her mother urged her against it — advice that, in hindsight, she is grateful for.

Shopping for lingerie only deepened the frustration. Off-the-rack bras routinely failed her: straps dug into her shoulders, underwires sat in the wrong places, and the cup sizes labeled for her measurements rarely matched what her body actually needed. "The straps are digging into my shoulders, or it's kind of itchy and riding up," she recalled. "I'd always be like, 'Oh, this fit doesn't work. I don't have the support I want.'" For years, she adapted — or simply avoided the problem entirely.

How Cassie Howard Changed Everything

The turning point came when Sweeney was cast as Cassie Howard in HBO's critically acclaimed drama Euphoria. The role required her to inhabit a character whose physicality is central to her story — a young woman whose appearance shapes how others perceive her, and how she perceives herself. Sweeney threw herself into the performance, and something shifted.

"It wasn't until I played Cassie in Euphoria that I started realizing it's actually powerful to be confident," she said. "Our bodies are incredible. We should embrace them and feel really good in our skin." For an actress who had spent years wanting to disappear, the realization was transformative. She began collecting visual references — building a Pinterest board of thousands of images that captured a vision of lingerie she had never been able to find in a store.

That board eventually became a business plan. Midway through production in 2024, Sweeney made a decision: she would not simply endorse an existing brand. She would build the one she had always needed. "I started a whole Pinterest board of thousands of photos of inspiration," she said, "and I thought, 'I should actually do this.'"

SYRN: The Lingerie Brand Built From Personal Experience

SYRN — pronounced "siren" — officially launched on January 28, 2026. Sweeney is the brand's sole founder and creative lead, not simply a face attached to someone else's product. She oversaw the development of a size range unlike most mainstream lingerie labels: 44 sizes, stretching from 30B to 42DDD, built on the belief that "boobs and bodies are like fingerprints. Everyone's are different, and I wanted to design for that."

Pricing starts at $19 for a satin thong and reaches $250 and above for the Date Night Corset. The debut collection was organized around two personas — the Seductress and the Romantic — with Playful and Comfy lines planned for subsequent drops. The brand's philosophy is deliberately stripped of performative messaging: "Lingerie you wear for you — no explanation, no apology." Financial backing came from Coatue Management, a technology investment fund associated with Jeff Bezos and Michael Dell, underscoring the serious infrastructure behind what could easily have been dismissed as a celebrity vanity project.

The launch itself was unforgettable. Two nights before the official release, Sweeney and her team staged an unauthorized midnight climb of the Hollywood Sign, draping dozens of sheer and lace bras across the landmark's white letters. Aerial footage circulated online before sunrise, generating headlines across entertainment and fashion media. "I'm going to get caught with this, right?" she joked on camera during the stunt. The Hollywood Chamber of Commerce later confirmed the act had not been authorized and launched an inquiry — but no criminal charges followed. The stunt was widely described as one of the most effective guerrilla marketing moments of the year.

Global Reception and Why Korean Fans Are Watching

The debut Seductress collection sold out within hours of going live. Sweeney's Instagram announcement attracted more than 1.9 million likes and thousands of comments. Fashion press praised the sizing inclusivity, particularly the decision to offer 44 distinct fits rather than relying on stretch-to-fit workarounds. A subsequent "Comfy" drop has since been added to the lineup, and additional collections are in development.

Critical coverage was more measured. Some outlets noted that achieving a true fit across such a broad size range is an engineering challenge, and early buyers outside Sweeney's own measurements reported mixed results. Sweeney acknowledged that building a brand from scratch is harder than it looks, but she positioned the project as a long-term commitment rather than a seasonal promotion: "I wanted to build a lingerie brand that feels like it understands women instead of talking at them."

Sweeney's story has resonated particularly strongly with Korean audiences, where she has recently surged in search traffic. Part of the attention stems from a notable connection to K-entertainment: BLACKPINK's Jisoo is set to receive the prestigious Madame Figaro Rising Star Award at the CANNESERIES international television festival in Cannes this April — a distinction that Sweeney received earlier in her career. Jisoo herself has been experiencing a career resurgence through Netflix's Monthly Boyfriend, which landed at number one in South Korea and entered the top ten in 34 countries globally. The parallel between two globally recognized performers navigating ambition and public scrutiny has not gone unnoticed by fans following both.

For Sweeney, what began as a childhood wish — to simply feel comfortable in her own body — has evolved into a public statement about confidence, commerce, and creative control. SYRN is still in its early chapters. But for the millions of women who grew up sharing her frustration, the brand's arrival feels less like a product launch and more like an overdue validation.