Ryan Gosling, Margot Robbie, Finneas O'Connell, and Billie Eilish in The Oscars (2024)

Finneas O'Connell and Billie Eilish in Billie Eilish: The World's a Little Blurry (2021)

Marshall Williams and Finneas O'Connell in Glee (2009)

Finneas O'Connell and Billie Eilish at an event for The Oscars (2024)

Lionel Richie, Finneas O'Connell, and Billie Eilish

Finneas O'Connell and Claudia Sulewski at an event for 81st Golden Globe Awards (2024)

Finneas O'Connell and Billie Eilish at an event for The 64th Annual Grammy Awards (2022)

Finneas O'Connell, Halsey, and Billie Eilish at an event for The 64th Annual Grammy Awards (2022)

Finneas O'Connell and Claudia Sulewski at an event for The 64th Annual Grammy Awards (2022)

Cooper Koch and Finneas O'Connell in Finneas & Cooper Koch (2024)

Finneas O'Connell and Billie Eilish in Billie Eilish (2022)

Finneas O'Connell in Billie Eilish (2022)

Finneas O'Connell at an event for 2021 MTV Video Music Awards (2021)

Finneas O'Connell and Billie Eilish at an event for 2021 MTV Video Music Awards (2021)

Finneas O'Connell and Billie Eilish at an event for The 63rd Annual Grammy Awards (2021)

Finneas O'Connell and Claudia Sulewski at an event for The Oscars (2020)

Finneas O'Connell and Claudia Sulewski at an event for The 62nd Annual Grammy Awards (2020)

Finneas O'Connell at an event for The 63rd Annual Grammy Awards (2021)