FINNEAS and Claudia Sulewski are officially husband and wife. The singer, songwriter and producer married the actress and host in Montecito, California, on Saturday, August 29, according to Vogue.
The wedding marks a major milestone for the couple, who have been together since 2018. Their relationship has also included several creative collaborations, with Sulewski inspiring some of FINNEAS’ music.
Claudia Sulewski Wore Oscar de la Renta
Sulewski, 30, celebrated her wedding weekend in a series of elegant looks designed by Oscar de la Renta. According to Vogue, her wardrobe included four different outfits for the celebrations.
She wore separate designs for the rehearsal dinner and wedding ceremony. She also changed into looks for the first dance and reception, followed by another outfit for the after-party.
The fashion choices added a glamorous touch to the intimate California celebration. Sulewski is known not only for her work as a host and actress but also as the founder of CYKLAR Skincare.
FINNEAS, 29, is one of the most successful producers and songwriters of his generation. He is particularly known for his work with his younger sister, Billie Eilish. Eilish also played a special role in her brother’s wedding by reportedly officiating the ceremony.
Celebrity Guests Attend the Wedding
The wedding brought together several well-known names from entertainment and music.
Among the reported guests were Nina Dobrev, Dax Shepard, Kristen Bell, Emma Chamberlain, Rachel Sennott, Stassie Karanikolaou, Jason Sudeikis and Carter Gregory.
Justin Bieber and Hailey Bieber were also reportedly in attendance. Nat Wolff, who is dating Billie Eilish, was among the guests as well.
The star-studded guest list reflected FINNEAS and Sulewski’s close connections across Hollywood, music and social media.
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How FINNEAS and Claudia Sulewski Met
FINNEAS and Claudia Sulewski first connected on a dating app in 2018. Their relationship quickly became an important part of the musician’s creative life.
In 2019, FINNEAS revealed to BuzzFeed that he wrote his song “Claudia” just hours after meeting Sulewski. He even sent her parts of the song on the night they met.
Their relationship continued to inspire their creative projects. In 2022, Sulewski became the muse for another FINNEAS song, “Mona Lisa, Mona Lisa.”
The couple took their collaboration even further by appearing together in the song’s music video. Sulewski also directed the video, combining their personal relationship with their shared creative interests.
FINNEAS Proposed in 2025
The couple’s journey toward marriage reached another major moment in September 2025, when FINNEAS proposed to Sulewski during a romantic sunset proposal.
Sulewski’s engagement ring featured a cushion-cut diamond. Shortly afterward, the couple announced their engagement through a joint Instagram post.
Their announcement featured the caption, “Forever and ever 9.22,” celebrating the beginning of their next chapter together.
FINNEAS later spoke publicly about the emotional experience of planning the surprise proposal. During an appearance on The Tonight Show Starring Jimmy Fallon, he admitted that keeping the engagement secret was surprisingly stressful.
He joked that the experience convinced him he was not suited to a life of crime because maintaining a happy secret for several weeks had been so difficult.
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FINNEAS Opens Up About Wedding Planning
As the wedding approached, FINNEAS also discussed the planning process and his excitement about marrying Sulewski.
Speaking with PEOPLE, the producer said he felt nervous about getting everything right. Although he was happy as the wedding day approached, he admitted that the preparations had kept him awake at night for months.
Once Sulewski accepted his proposal, however, FINNEAS said he experienced a “real sigh of relief.”
He also explained that he wanted Sulewski to take the lead when it came to planning their wedding. His goal was simple: he wanted her to love every part of the celebration.
FINNEAS described himself as a “hype man” during the planning process. He said he would offer his opinion when presented with choices, but ultimately wanted Sulewski to feel completely happy with the decisions.
A New Chapter for FINNEAS and Claudia Sulewski
After years of dating, creative collaboration and major life milestones, FINNEAS and Claudia Sulewski have officially started married life together.
Their Montecito wedding brought together family, friends and a long list of celebrity guests. At the same time, it celebrated a relationship that has grown alongside both of their careers.
From meeting on a dating app to working together on music and videos, the couple’s story has developed into a creative partnership as well as a personal one.
Now, with their August 29 wedding, FINNEAS and Sulewski are beginning a new chapter as a married couple.
