Who Tied the Knot? Inside Finneas O'Connell and Claudia Sulewski's Star-Studded Wedding!

Finneas O'Connell and Claudia Sulewski recently tied the knot in a beautiful ceremony in Montecito, California. The event featured Billie Eilish officiating and a host of celebrity guests, including Justin Bieber and Kristen Bell. The bride dazzled in multiple Oscar de la Renta outfits throughout the festivities. Their love story began in 2018, and they announced their engagement in September 2025. This article delves into the details of their special day and the couple's journey together.

By Narendra Chaudhary Aug 31, 2026, 11:04 IST

A Dream Wedding in Montecito

Finneas O'Connell, the Grammy-winning artist and producer, has officially wed actress and entrepreneur Claudia Sulewski. The couple celebrated their union this past Saturday in a cozy ceremony in Montecito, California, surrounded by their nearest and dearest.

The wedding was particularly special as Billie Eilish, the groom's sister, officiated the ceremony. Photos from the day show Eilish in a stunning green gown, leading the couple through their vows. Their beloved dogs, Peaches and Moose, were also part of the joyous occasion, which included the presence of Finneas's parents, Maggie Baird and Patrick O’Connell.

Glamorous Guests and Fashion Statements

A Star-Studded Celebration and Fashion Highlights

The wedding weekend attracted numerous celebrities from the entertainment world. Notable attendees included Justin and Hailey Bieber, actors Jason Sudeikis, Kristen Bell, and Dax Shepard, along with influencers and performers like Emma Chamberlain, Rachel Sennott, Rebecca Black, Devon Lee Carlson, and Stassie Karanikolaou. Billie Eilish was also spotted at the event with actor Nat Wolff.

As reported by Vogue, the bride showcased an impressive wardrobe featuring four unique outfits designed by Oscar de la Renta. These stunning looks were tailored for different moments of the celebration, including the rehearsal dinner, the wedding ceremony, the first dance, the reception, and the after-party.

A Love Story in the Making

A Long-Term Partnership

This marriage marks the culmination of a relationship that began in 2018 when the couple met through a dating app. Their creative bond has been evident throughout their time together; Finneas has mentioned that he penned his song 'Claudia' on their very first night together. Furthermore, Sulewski inspired his 2022 hit 'Mona Lisa, Mona Lisa.'

The couple announced their engagement in September 2025, sharing the news through a heartfelt social media post that included a picture from a sunset proposal. The caption, 'Forever and ever 9.22,' confirmed the date of their engagement, leading up to their beautiful wedding in Montecito.