Finneas O’Connell and Claudia Sulewski married in an outdoor ceremony in Montecito, California, according to reporting published by TMZ and Harper’s Bazaar. The Grammy-winning musician and producer and the actress and beauty entrepreneur exchanged vows at the San Ysidro Ranch, surrounded by family, celebrity guests, and their dogs, Peaches and Moose.
Billie Eilish Officiates as Family and Famous Friends Gather in Santa Barbara
The bride and groom enlisted close family for key roles in the celebration. According to TMZ, Finneas’s younger sister, Billie Eilish, officiated the ceremony. The couple’s parents, Maggie Baird and Patrick O’Connell, were also in attendance to watch their son exchange vows, alongside the couple’s dogs.
The star-studded guest list featured notable figures from entertainment and fashion. According to TMZ and Harper’s Bazaar, attendees included Justin and Hailey Bieber, Rachel Sennott, Emma Chamberlain, Rebecca Black, Jason Sudeikis, Kristen Bell, Dax Shepard, Devon Lee Carlson, Stassie Karanikolaou, and Jesse Jo Stark. Eilish arrived with Nat Wolff, with whom she stayed close throughout the day’s festivities.
Did you know?
Finneas and Claudia Sulewski first met through a dating app in 2018 before announcing their engagement in September 2025, according to Harper’s Bazaar.
Custom Oscar de la Renta Fashion Highlights the Wedding Weekend
Fashion played a central role in the multi-day celebration. According to Vogue and Harper’s Bazaar, Sulewski wore four custom Oscar de la Renta looks over the course of the weekend. Her wardrobe included specific ensembles for the rehearsal dinner, the ceremony, the first dance and reception, and the after-party.
To walk down the aisle at the Montecito ranch, Sulewski wore a strapless drop-waist ball gown complete with a matching neck scarf, as reported by Harper’s Bazaar.
Frequently Asked Questions
Where did Finneas and Claudia Sulewski get married?
The couple tied the knot at the San Ysidro Ranch in Montecito, California, according to TMZ and Harper’s Bazaar.
Who officiated the wedding ceremony?
Grammy-winning musician Billie Eilish, Finneas’s younger sister, officiated the ceremony, per TMZ’s reporting.
Who designed the bridal looks?
Oscar de la Renta designed all four of Claudia Sulewski’s wedding weekend outfits, according to Vogue and Harper’s Bazaar.
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