And you don't. [laughs] You think you do.' " Related: All About Billie Eilish's Parents, Maggie Baird and Patrick O'Connell ...

Eilish was born Billie Eilish Pirate Baird O’Connell on 18 December, 2001 in the Highland Park area of Los Angeles, and both ...

Billie Eilish's rapid ascent from bedroom to stardom ... Maggie Baird (seen above), is an actress and a screenwriter. Her ...

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 ...

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 first ...