Finneas O’Connell, renowned music producer and brother of pop sensation Billie Eilish, has officially married his long-term girlfriend, Claudia Sulewski. The couple tied the knot in a picturesque ceremony in Montecito, California, on Saturday, 29 August, marking a significant milestone in their seven-year relationship.
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Claudia Sulewski, 30, who is not only an accomplished host and actress but also the founder of the skincare brand CYKLAR, dazzled guests with an array of wedding attire crafted by the esteemed designer Oscar de la Renta. Reports suggest she donned four dresses over the wedding weekend: one for the rehearsal dinner, a stunning gown for the ceremony, a chic ensemble for the first dance and reception, and an outfit for the after-party, showcasing her style and flair.
The love story of Finneas and Claudia began in 2018 when they met through a dating app. Their chemistry was evident from their first encounter, with Finneas even revealing he penned a song titled “Claudia” shortly after meeting her. In a 2019 interview with BuzzFeed, he recounted how he excitedly shared parts of the song with her on their very first night together, setting the stage for a passionate and creative partnership.
Throughout their relationship, the couple has continued to inspire each other creatively. In 2022, Sulewski played a pivotal role in Finneas’ song “Mona Lisa, Mona Lisa,” not only serving as the muse but also directing and appearing in the music video. These collaborative ventures have strengthened their bond over the years.
Finneas proposed to Sulewski in a romantic sunset setting in September 2025. The proposal featured a stunning cushion-cut diamond engagement ring, and the couple shared their joyous news via a joint Instagram post with the heartfelt caption, “Forever and ever 9.22.” This announcement was well received by fans, highlighting the couple’s significance in the public eye.
In a candid appearance on *The Tonight Show Starring Jimmy Fallon* shortly after the proposal, Finneas reflected on the pressure he felt in keeping the engagement a secret. “I mean, I’m very relieved that it happened,” he shared. He amusingly noted that the experience taught him he was not suited for a life of crime, as the stress of harbouring such a joyful secret had been overwhelming.
As the wedding planning commenced, Finneas spoke to PEOPLE in October about the emotions surrounding the engagement and the preparations. He expressed a sense of relief after Sulewski accepted his proposal. “I was nervous, and I was not. On the day it was going well, and I felt really happy. But just leading up to it, there were so many elements I wanted to get right,” he explained, describing the sense of relief he felt when everything fell into place.
Finneas also shared an insightful perspective on the wedding planning process, indicating his desire for Sulewski to take the lead in crafting the ceremony. “I want her to love everything about it,” he remarked. “I will be a hype man. If she gives me multiple choices, I will give her my preference. But I want her to love everything about it, and I am very easy to please, so I will for sure love everything about it.”
As they embark on this new chapter of their lives together, Finneas and Claudia’s relationship is sure to continue capturing the hearts of fans and followers alike. Their journey from meeting on a dating app to saying “I do” is a testament to their enduring love and mutual support in their respective careers.
With their shared creative spirit and a strong foundation of love and respect, the couple is poised to navigate the future together, leaving fans eager to see what they will accomplish next—both as individuals and as partners.