Finneas O’Connell and Claudia Sulewski are officially married. The music producer and actress tied the knot on Saturday, August 29, in Montecito, California. Their wedding brought together family, close friends, and several well-known celebrities.
The couple’s wedding comes after eight years of romance. They first met on a dating app in 2018. Finneas later proposed to Sulewski in September 2025.
A Romantic Montecito Wedding
The Finneas Claudia Sulewski wedding was held in the scenic California community of Montecito. The intimate celebration included many famous faces from entertainment and fashion.
Among the reported guests were Justin Bieber, Hailey Bieber, Nina Dobrev, Kristen Bell, Dax Shepard, Jason Sudeikis, Emma Chamberlain, and Rachel Sennott. Stassie Karanikolaou and Carter Gregory were also among the attendees.
Billie Eilish was especially important to the celebration. Finneas’ younger sister reportedly officiated the wedding ceremony. Her involvement added an emotional family touch to the star-studded event.
Billie also shares a close relationship with Claudia. During Claudia’s final wedding fitting, Billie joined through FaceTime to see her future sister-in-law’s ceremony dress.
Claudia Sulewski’s Oscar de la Renta Wedding Dresses
Claudia Sulewski made fashion a major part of her wedding weekend. She worked with Oscar de la Renta on four custom looks.
The main ceremony gown was the centerpiece. It featured an ivory silk faille ballgown design. The dress included a drop-waist bodice and a structured pleated skirt.
A dramatic asymmetric scarf neckpiece extended down the train. The gown also included pockets, giving the classic design a modern and practical detail.
Claudia said she drew inspiration from Oscar de la Renta’s archives. She especially loved the brand’s dramatic, princess-inspired silhouettes from earlier collections.
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Four Looks for the Wedding Weekend
Claudia’s wardrobe went beyond the ceremony gown. She prepared four different Oscar de la Renta looks for the celebrations.
Her rehearsal dinner dress featured a bias-cut silhouette. It was crafted from liquid crepe back satin. The elegant design created a sculptural effect.
For the reception and first dance, Claudia wore a structured cady gown. Its sculptural peplum featured upcycled feathers and crystal details. The design was created with dancing in mind.
The final outfit took inspiration from Oscar de la Renta’s playful early-2000s designs. It paired a pink boat-neck top with a dove-gray silk faille bubble skirt and matching heels.
Claudia also had a special surprise for two important wedding guests.
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Peaches and Moose Join the Celebration
Claudia and Finneas’ rescue dogs, Peaches and Moose, also had a role in the wedding.
The dogs were set to walk down the aisle as flower dogs. Their outfits included silk faille bows made from the same fabric used for Claudia’s ceremony gown.
The personal detail reflected the couple’s affection for their pets. It also added a playful moment to an otherwise glamorous celebration.
A Love Story That Began in 2018
Finneas and Claudia’s relationship began in 2018 after they met through a dating app. Their relationship quickly became a source of creative inspiration for the Grammy-winning producer.
Finneas previously revealed that he wrote his song “Claudia” within hours of meeting her. He even shared parts of the song with her that same night.
The pair later worked together on “Mona Lisa, Mona Lisa.” Claudia appeared in and directed the music video for the song.
Their engagement came in September 2025. The couple announced the news with a joint social media post featuring the message, “Forever and ever 9.22.”
A New Chapter for Finneas and Claudia
The Finneas Claudia Sulewski wedding marks a new chapter for the couple after years together. Their celebration combined family, fashion, music, and Hollywood glamour.
Claudia’s four custom Oscar de la Renta looks made the weekend especially memorable. Billie Eilish’s role also gave the ceremony a meaningful family connection.
From their first meeting on a dating app to their Montecito wedding, Finneas and Claudia have built a relationship shaped by love and creativity. Now, after years of dating and a highly anticipated engagement, the couple has officially begun married life together.
[…] Finneas and Claudia Sulewski Are Married in Montecito […]