Who is Finneas to Billie Eilish?
They're siblings, and you could say Finneas is the secret ingredient to Billie's success.
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Finneas is Billie Eilish's older brother and collaborator. He co-writes and produces a lot of her music. Talk about a dream team!
Finneas is just her brother. That's it.
Finneas and Billie are musical partners. I saw them live once, and the chemistry was unreal.
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