Finneas and Claudia Sulewski Say ‘I Do’, with Billie Eilish Officiating Her Brother’s Wedding

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It is officially dynamic duo operational forever! Grammy-winning producer and artist Finneas O’Connell and his longtime partner, digital creator and actress Claudia Sulewski, have tied the knot in a romantic outdoor ceremony at the historic San Ysidro Ranch in Montecito, California.

The 29-year-old music mastermind and the 30-year-old lifestyle icon chose the lush, sun-dappled Santa Barbara enclave for their nuptials. Adding a deeply emotional family touch to the proceedings, Finneas’s younger sister, 24-year-old pop icon Billie Eilish, stepped up to serve as the official wedding officiant. Witnesses on the ground confirmed the atmosphere was profoundly intimate, whimsical, and anchored by close family ties.

The star-studded guest list reads like an A-list cultural roll call. Alongside the groom’s parents, Maggie Baird and Patrick O’Connell, attendees who gathered on the lawn included Justin and Hailey Bieber, Nat Wolff, Rachel Sennott, Emma Chamberlain, Rebecca Black, Jason Sudeikis, Kristen Bell, Dax Shepard, Devon Lee Carlson, Anastasia “Stassie” Karanikolaou, Jesse Jo Stark, Nina Dobrev, and Carter Gregory.

The newlyweds officially broke their privacy curtain by granting exclusive access to Vogue, capturing their fitting sessions inside the luxurious Oscar de la Renta boutique in Beverly Hills. Sulewski stunned across the weekend in four custom creations designed specifically for her by the legendary fashion house.

“We were putting it on, and I was saying, there’s something about this dress that just demands a moment of silence,” Claudia told Vogue while speaking about her head-turning main ceremony gown. She explained that while diving deep into the atelier’s archives, she immediately gravitated toward grand, romantic, “princess-like” silhouettes that commanded the room.

The fitting process even featured a surprise virtual appearance from Eilish herself via FaceTime. Upon seeing the finished custom gown, the “you should see me in a crown” singer couldn’t hide her awe: “My God, I can’t believe it. You look like an angel. Sorry to be interrupting. Love you so much!”

Fashion choices weren’t reserved solely for the human guests, either. The design team crafted bespoke bows fashioned directly from the exact fabric of Claudia’s ceremony dress for the couple’s beloved rescue dogs, Peaches and Moose.

“They’re going to walk down as flower dogs,” Claudia revealed prior to the ceremony, ensuring their furry companions played a central role in the aisle walk.

Finneas and Claudia’s love story has been a fan-favorite romance since they first began dating back in 2018. After five years of shared creative projects, red carpet appearances, and cozy home life, the couple announced their engagement in September of last year.

“Forever and ever,” they wrote in a romantic joint Instagram post at the time, sharing candid photographs and intimate video snippets from Finneas’s emotional proposal. Fast forward through a whirlwind year of planning, and the two have officially stepped into married life surrounded by those who know them best. Cheers to the happy couple as they begin this gorgeous new chapter together!