The music producer and YouTuber have been together since 2018.

The couple got engaged during a romantic sunset proposal last year.

Finneas, the brother of Billie Eilish, proposed to Sulewski in September 2025 following seven years of dating ...

Finneas O’Connell and Claudia Sulewski’s Aug. 29 wedding was officiated by his sister, Billie Eilish ...

New photos from Finneas and Claudia Sulewski's wedding weekend showed the groom's sister Billie Eilish's second gown for the ...

Classic elegance and modern-day sophistication meet in Finneas and Claudia Sulewski's luxe yet laid-back multi-day wedding ...

Eilish wore an olive green dress as she played a special part in her brother and music collaborator's nuptials.

The model pulled out another vintage gem for the occasion ...

And Finneas’s sister, Billie Eilish, officiated!

The couple tied the knot in an outdoor ceremony in Montecito on Saturday, Aug. 29 ...

Social media users commented “Was this on stolen land? Hello Indians….” and “She is on stolen land,” among other things about ...

Billie Eilish officiated the wedding of her older brother and longtime musical collaborator, Finneas O’Connell, as he married ...