Who Is Billie Eilish's Brother?

Do you play Justin Bieber's "Lonely," on repeat? Do you have Demi Lovato's "Commander in Chief" on all of your playlists? Is Camila Cabello's "Used to This" your jam? Thank Finneas Baird O'Connell for producing those songs (via Insider).

Unlike his younger sister, the singer-songwriter moved out of his parent's house. He's had his own place since 2019 (via Billboard). That was around the time that Finneas started headlining shows, himself. At his second-ever self-headlined show, in New York, he sold out. Fame has been a mixed-blessing for Finneas. It's affected his relationships with his sister. "Not our sibling dynamic," he clarified to Vogue, "but it's changed our ability to go places together, which is too bad. I wish that weren't the case. We just love each other and are honest with each other, and we speak the same creative language. There's no other person I like working with as much as my sister."

Before deciding on music, Billie Eilish's best friend and big brother might have been an actor. He's worked alongside Cameron Diaz in Bad Teacher, although you might recognize him better from his appearances in Modern Family. "Working on TV shows was fun, but I felt crazy pressured and stressed," he told Billboard. Sorry, not sorry, that he's stuck to music.

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