# Marriage of Finneas O’Connell and Claudia Sulewski > Live situation record from CLSTR: https://clstr.news/situations/marriage-of-finneas-oconnell-and-claudia-sulewski > Updated: 2026-09-04T17:34:25.000Z. Sources: 49. Developments: 3. Music producer Finneas O’Connell and actress/content creator Claudia Sulewski married in an intimate outdoor ceremony at San Ysidro Ranch in Montecito, California, on August 29, 2026. The ceremony was officiated by O’Connell’s sister, singer Billie Eilish. Sulewski wore four custom Oscar de la Renta looks during the wedding festivities. The couple, who met via the dating app Raya in September 2018 and announced their engagement in September 2025, have previously collaborated on musical projects such as the song ‘Claudia’. The engagement reportedly took place during a helicopter trip to a campsite in the Santa Monica Mountains on September 22, 2025. Wedding planning began in January 2026 with the assistance of Alison Bryan Destinations. High-profile guests in attendance included Justin and Hailey Bieber, Emma Chamberlain, Kristen Bell, Dax Shepard, Nina Dobrev, and Jason Sudeikis. ## Timeline ### 2026-09-04: Finneas and Claudia Sulewski hold garden wedding in Montecito Finneas and Claudia Sulewski celebrated their garden wedding in Montecito, officiated by Billie Eilish, following a relationship that began in 2018. 2 sources. https://clstr.news/cluster/finneas-and-claudia-sulewski-hold-garden-wedding-in-montecito ### 2026-09-01: Finneas O’Connell marries Claudia Sulewski in Montecito Musician Finneas O’Connell married Claudia Sulewski in Montecito, California, in a ceremony officiated by his sister, Billie Eilish, attended by various celebrity guests. 2 sources. https://clstr.news/cluster/finneas-oconnell-marries-claudia-sulewski-in-montecito ### 2026-08-30: Finneas O’Connell and Claudia Sulewski marry in California Finneas O’Connell and Claudia Sulewski married in Montecito, California, in a ceremony officiated by Billie Eilish and attended by various Hollywood celebrities. 45 sources. https://clstr.news/cluster/finneas-and-claudia-sulewski-marry-in-california-ceremony --- Cite as: Marriage of Finneas O’Connell and Claudia Sulewski. CLSTR, https://clstr.news/situations/marriage-of-finneas-oconnell-and-claudia-sulewski