Finneas and Claudia Sulewski Married in Montecito

Finneas O'Connell married Claudia Sulewski in a intimate Montecito ceremony in late August, with his sister Billie Eilish officiating. Their wedding included a notable moment involving their dogs, Peaches and Moose, who joined in the celebration with bows cut from the ceremony gown fabric. Claudia wore four Oscar de la Renta looks across the wedding weekend, including the ceremony, rehearsal, first dance, and after-party outfits. The couple have dated since 2018 after meeting on a dating app, and announced their engagement in September 2025. The guest list featured a constellation of celebrities such as Justin and Hailey Bieber, Emma Chamberlain, Jason Sudeikis, Kristen Bell, and Dax Shepard among others. Finneas and Claudia have a long creative history, with Claudia inspiring songs by Finneas and ongoing collaboration with Billie Eilish.