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Finneas Marries Claudia Sulewski With Billie Eilish Officiating

The family-led Montecito ceremony put the couple’s close creative circle at the center of a high-fashion wedding weekend.

Overview

  • Finneas O’Connell and Claudia Sulewski were married in an intimate outdoor ceremony at San Ysidro Ranch in Montecito on Saturday with Billie Eilish officiating.
  • Photos and reports show family members present, including parents Maggie Baird and Patrick O’Connell, and the couple’s rescue dogs Peaches and Moose participated with matching accessories.
  • The guest list was star-studded, with attendees reported to include Justin and Hailey Bieber, Emma Chamberlain, Jason Sudeikis, Kristen Bell, Dax Shepard and others.
  • Vogue and other outlets say Sulewski wore four custom Oscar de la Renta looks over the wedding weekend, with a silk faille ballgown for the ceremony and separate outfits for rehearsal, the first dance and the after‑party.
  • The ceremony closes a long relationship arc that began when the pair met on a dating app in 2018 and became engaged in September 2025, and it highlights the intersection of music, influencer culture and fashion coverage around the couple.