Billie Eilish's Brother FINNEAS Marries Claudia Sulewski in Gorgeous Montecito Wedding
E! Online
Last updated: August 31, 2026
Musician FINNEAS O'Connell, brother of Billie Eilish, married his longtime girlfriend Claudia Sulewski. The wedding took place in Montecito, California. Billie Eilish herself officiated the ceremony.
- The wedding of FINNEAS O'Connell and Claudia Sulewski occurred on August 29th in Montecito, California.
- FINNEAS, a Grammy-winning songwriter and producer, is known for his collaborations with his sister, Billie Eilish.
- Claudia Sulewski is an actress and social media personality.
- The couple exchanged vows in a ceremony officiated by Billie Eilish.
- Montecito, the location of the wedding, is a coastal community in Santa Barbara County, California, known for its scenic beauty.
- The event marks a significant personal milestone for both FINNEAS and Sulewski, who have been in a relationship for several years.
- Billie Eilish's role as officiant highlights a close family bond.
