Finneas Marries Claudia Sulewski in Ceremony Officiated by Billie Eilish

Huge congratulations are in order for Finneas and his longtime partner, Claudia Sulewski, who have officially tied the knot.

The acclaimed Grammy-winning singer, songwriter, and producer, 29, wed the multitalented actress, YouTuber, and skincare founder, 30, during a picturesque ceremony at the San Ysidro Ranch in Santa Barbara, California.

In a deeply personal touch, the intimate celebration was officiated by Finneas’ superstar sister and frequent musical collaborator, Billie Eilish. Proud parents Maggie Baird and Patrick O’Connell were also present to witness their son exchange vows.

Surrounded by close family, industry friends, and their beloved dogs, Peaches and Moose, the newlyweds celebrated alongside a star-studded guest list. Notable attendees included Justin and Hailey Bieber, Emma Chamberlain, Rachel Sennott, Jason Sudeikis, Kristen Bell, and Eilish, who attended alongside her partner, Nat Wolff.

For the celebratory weekend, Sulewski made high-fashion history by wearing four custom Oscar de la Renta ensembles: one for the rehearsal dinner, a breathtaking gown for the ceremony and first dance, a chic reception dress, and a vibrant look for the after-party.

The couple announced their engagement in September 2025 after seven wonderful years together, sharing a romantic hillside proposal gallery on Instagram captioned simply, “forever and ever.”

Their love story began on a dating app back in 2018. Finneas famously revealed in interviews that he was so captivated by Sulewski that he wrote and recorded his heartfelt tribute track, “Claudia,” mere hours after their very first meeting.

Since then, the creative duo has frequently collaborated, notably when Sulewski starred in and directed the intimate music video for his 2022 solo release, “Mona Lisa, Mona Lisa.”

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