31 August,2026 02:32 PM IST | Mumbai | mid-day online correspondent
Billie Ellish brother`s wedding (Pic/Instagaram)
Billie Eilish took on a special role at her brother Finneas O'Connell's wedding, officiating his marriage to longtime girlfriend Claudia Sulewski. The Grammy-winning singer was seen standing between the newlyweds as they exchanged vows in Montecito, California. The intimate family affair was attended by their parents, celebrity friends, and the couple's beloved dogs.
Finneas O'Connell and Claudia Sulewski have married. The music producer and his longtime girlfriend wed in Montecito, California, on Saturday, Vogue magazine reports. Finneas's sister and musical partner, Billie Eilish, officiated the marriage. Their parents, Maggie Baird and Patrick O'Connell, were also there, while the couple's dogs, Peaches and Moose, joined the celebration.
TMZ reported that the couple "kept things romantic, personal and very much a family affair as they started their next chapter together."
The pictures show Eilish standing between her brother and new sister-in-law as she officiated the ceremony. The snaps also showed attendees including Nina Dobrev, Kristen Bell, Emma Chamberlain, Rachel Sennott, and the Biebers, Justin and Hailey. Eilish's boyfriend, Nat Wolff, also made an appearance. Claudia wore four custom Oscar de la Renta looks throughout the wedding weekend, including an ivory silk faille ballgown for the ceremony.
Finneas O'Connell, 29, and Claudia Sulewski, 30, first met on a dating app in 2018. Just hours after their first meeting in person, the songwriter penned a track titled âClaudia' and sent it to her. He proposed to her during a romantic sunset in September 2025.
Billie Eilish and actor-musician Nat Wolff have reportedly been in a relationship since 2025, after their friendship blossomed into romance. The couple made their official red-carpet debut in May 2026. Eilish and Wolff first met at the Academy Museum Gala in Los Angeles in December 2023, while Nat and Alex Wolff later joined the singer as opening acts on her Hit Me Hard and Soft tour.
Romance rumours began after the pair were spotted together in New York City, followed by photographs of them kissing on a balcony in Venice, Italy, in June 2025.
The What Was I Made For? singer and Wolff eventually made their red-carpet debut at the Los Angeles premiere of her concert film, Hit Me Hard and Soft: The Tour.
