Billie Eilish's brother Finneas marries longtime girlfriend Claudia Sulewski… and the pop star officiates the ceremony

Billie Eilish’s brother, Finneas, marries longtime girlfriend Claudia Sulewski in star-studded California wedding

Finneas and Claudia Sulewski are now married

Unrecognizable Billie Eilish transforms into iconic Sylvia Plath character as she continues filming The Bell Jar