Archive · 31 Aug 2026
Finneas O’Connell Marries Claudia Sulewski in California
Finneas O’Connell is a music producer and Billie Eilish’s brother.
He married Claudia Sulewski, who is an actress and YouTuber.
The wedding happened in Montecito, California, on August 30.
Billie Eilish led the wedding ceremony.
Their parents were also there.
Many famous people attended, including Justin Bieber and Hailey Bieber.
Finneas and Claudia had been together for seven years.
They announced their engagement in September 2025, although the article does not clearly explain how that date fits with the reported wedding date.
Finneas O’Connell married actress and YouTuber Claudia Sulewski on August 30 in Montecito, California.
Billie Eilish officiated the ceremony for her brother and longtime musical collaborator.
The guest list included Justin and Hailey Bieber, Rachel Sennott, Emma Chamberlain and Jason Sudeikis.
Finneas and Sulewski had been together for seven years before announcing their engagement.
The article says the couple announced their engagement in September 2025, creating an unclear timeline with the reported August 30 wedding date.
- Who
- Music producer Finneas O’Connell and actress and YouTuber Claudia Sulewski; Billie Eilish officiated.
- What
- Finneas O’Connell and Claudia Sulewski married in a ceremony attended by family and celebrity guests.
- When
- August 30; the article does not specify the year and separately says their engagement was announced in September 2025.
- Where
- Montecito, California.
- Why
- The couple married after being together for seven years; the articles do not give a more specific reason.
- Couple
- Finneas O’Connell and Claudia Sulewski
- Wedding date
- August 30; year not specified in the article
- Location
- Montecito, California
- Officiant
- Billie Eilish
- Relationship length
- Seven years before the engagement announcement
- Engagement announcement
- September 2025
- Notable guests
- Justin Bieber, Hailey Bieber, Rachel Sennott, Emma Chamberlain and Jason Sudeikis