Who Is Billie Eilish’s Brother Finneas O’Connell? 25 Facts You Didn’t Know About the Grammy Winning Producer

He Has a Girlfriend

Sorry ladies, Finneas is taken! He has been dating Claudia Sulewski since 2018. Sulewski is known primarily as a YouTube personality with over 2 million subscribers. The 23-year-old has also some acting credits under her belt and she teamed up with Nordstrom to create a fashion line in 2019.