Finneas O'Connell, Billie Eilish's brother and two-time Oscar winner, marries a Pole

Music producer and singer Finneas O'Connell, brother of Billie Eilish and a two-time Oscar winner, is set to marry Polish-American content creator Claudia Sulewski in August 2025. Sulewski recently shared photos from their pre-wedding trip, confirming the upcoming ceremony.