Originally appeared on E! Online
UPDATE: FINNEAS and Claudia Sulewski are happier than ever.
Indeed, Grammy-winning producer—best known for his collaborations with sister Billie Eilish—married the CYKLAR Skincare founder in a star-studded ceremony in Montecito, Calif., on Aug. 29, according to Vogue.
The couple—who started dating in 2018—said "I do" at the San Ysidro Ranch in front of their closest family and friends, with Billie officiating the ceremony, according to photos obtained by TMZ. For the special occasion, the "Happier Than Ever" singer stunned in an olive green off-the-shoulder gown.
As for the celebrity guests? Among those who attended the nuptials were Billie's boyfriend Natt Wolff, as well as couples Justin Bieber and Hailey Bieber, Kristen Bell and Dax Shepard, to name a few.

#happier #originally

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THE RUNDOWN
Claudia Sulewski and Finneas O'Connell were married in August 2026 after dating for almost eight years.
Sulewski is a YouTuber, actress, director, and founder of the sustainable body care brand, Cyklar.
The couple has collaborated on creative projects together, including O'Connell's "2001" music video.

#rundown #finneas #o 'connell #youtuber

Congratulations are in order for Finneas and his longtime love, Claudia Sulewski, who have officially tied the knot.
The Grammy-winning singer and producer, 29, married the YouTuber, actress and CYKLAR Skincare founder, 30, at San Ysidro Ranch in Santa Barbara, California, on Saturday (Aug. 30), according to TMZ.
More from Billboard
Finneas and Longtime Girlfriend Claudia Sulewski Engaged After Seven Years of Dating
Finneas to Keynote Guild of Music Supervisors' 2026 State of Music in Media Conference

#finneas #sulewski #music

Nina Dobrev was spotted in a sleek sky blue halter dress for Billie Eilish's brother Finneas's wedding on August 30.
Billie Eilish officiated the wedding.
Other guests included Hailey Bieber and Rachel Sennott.
Nina Dobrev just put a playful, edgy spin on wedding guest attire. The Vampire Diaries actress made a stylish appearance at Billie Eilish's brother Finneas's wedding to Claudia Sulewski at San Ysidro Ranch in Santa Barbara, California on August 30.
Nina Dobrev in June 2026.
Credit: Getty

#wedding #hailey

Finneas O'Connell and Claudia Sulewski are officially married!
The happy couple tied the knot on August 29 in Montecito, California, with some of the first photos of the nuptials shared by TMZ capturing the ceremony.
Claudia Sulewski and Finneas are officially married! (@ Getty Images)
The couple first began dating in 2018 when they met via a dating app, and sparks flew immediately. They announced their engagement in September 2025.
And it looks like Finneas' younger sister and most frequent collaborator Billie Eilish had the task of officiating the ceremony, going full regal glam for the occasion.

#finneas #married #couple

Finneas O'Connell and his longtime girlfriend Claudia Sulewski have tied the knot
The couple wed in Montecito, Calif., on Saturday, Aug. 29
Finneas, a music producer and brother of Billie Eilish, proposed to Sulewski in September 2025 following seven years of dating
Finneas O'Connell and Claudia Sulewski have tied the knot!
The couple wed in Montecito, Calif., on Saturday, Aug. 29, according to Vogue.

#tied