Claudia Sulewski and Finneas O’Connell announced their engagement in September 2025 after dating for seven years. Sulewski is a YouTuber, actress, director, and founder of the sustainable body care brand, Cyklar. The couple has collaborated on creative projects together, including O’Connell’s “2001” music video.

The remark drew criticism over her residence being located on ancestral Tongva land in the greater Los Angeles basin.

Finneas O'Connell and Claudia Sulewski are in their engaged era! The Grammy-winning artist rose to fame while creating music under the name FINNEAS and producing for artists like Selena Gomez, Halsey, Justin Bieber, Demi Lovato and Camila Cabello.

A look back at Billie Eilish's debut single, 'Ocean Eyes', released on Soundcloud on November 19, 2015. Written and produced by her brother Finneas O'Connell.

Billie Eilish used her acceptance speech to draw attention to U.S. Immigration and Customs Enforcement and related controversies.

Billie Eilish won Song of the Year at the 2026 Grammys with "Wildflower," marking her third career win in the songwriter category alongside Finneas O’Connell.