Finneas O’Connell and Claudia Sulewski have officially tied the knot. The couple exchanged wedding vows on August 29 at San Ysidro Ranch in Santa Barbara, California, in a ceremony attended by family members and close friends. The wedding also had a special family connection as Finneas’ younger sister, singer Billie Eilish, served as the officiant. Her role made the occasion even more personal for the couple and their families.
Several well known names were also present at the wedding. Among the guests were Justin Bieber and Hailey Bieber, Nina Dobrev, Kristen Bell and Emma Chamberlain. The gathering remained focused on family, friends and the couple’s special day.
Billie Eilish also caught attention with her wedding look. She wore an elegant olive green gown for the ceremony. Claudia Sulewski, meanwhile, chose a custom ivory ballgown designed by Oscar de la Renta. Her outfit gave the wedding a traditional and elegant touch.
The marriage marks another chapter in Finneas and Claudia’s relationship, which began in 2018 after the two met through a dating app. They continued their relationship for several years before taking the next major step. Finneas and Claudia announced their engagement in September 2025.
Their wedding brought together people who have been part of their lives as a couple and as individuals. Having Billie officiate the ceremony added another meaningful element to an already personal celebration.
🚨🚨 🚨 MEU DEUS! BILLIE EILISH NO CASAMENTO DO FINNEAS E CLAUDIA. pic.twitter.com/ORL4SFfJwh
— Billie Eilish Brasil (@BillieEilishBR) August 30, 2026
Following the wedding, fans and friends shared congratulatory messages for the newly married couple. The ceremony also drew attention because of the couple’s long relationship and the presence of several popular personalities from the entertainment industry.
For Finneas and Claudia, the August 29 ceremony marked the beginning of their married life after years together. From meeting through a dating app in 2018 to getting engaged in September 2025 and finally exchanging vows, their relationship has reached another important milestone.
