In a clip premiering exclusively with PEOPLE on Wednesday, Dec. 18, Billie Eilish and brother Finneas O’Connell appear on the latest episode of Celebrity Substitute — and teach a class of ...

By Kirsten Chuba Events Editor Michael Angarano, John Early and Brandon Perea are among her character’s love interests, as well as a surprise onscreen face: Finneas O’Connell, the musical ...

Billie Eilish’s brother Finneas Baird O'Connell is experiencing mixed emotions as he prepares for his solo world tour, leaving his younger sister behind. "It’s been very bittersweet," he ...

Billie Eilish shared a video of the singer and her brother, Finneas O’Connell, workshopping an early version of their hit, “Birds of a Feather,” which features on her third studio album ...

Well, yes - the Tiny Desk here at NPR headquarters. (SOUNDBITE OF TINY DESK CONCERT) BILLIE EILISH AND FINNEAS O'CONNELL: (Singing) Doing what's right without a reward. SHAPIRO: Billie Eilish and ...