Billie Eilish Officiated Her Brother’s Wedding

"billie Eilish Hit Me Hard And Soft: The Tour (live In 3d)" Premiere In Los Angeles

Billie Eilish and Finneas attend the Premiere of “Billie Eilish – Hit Me Hard And Soft: The Tour (Live in 3D)” at Village Theatre in Los Angeles, California, U.S., May 6, 2026. REUTERS/ David Swanson

The Celebrity Beat…

Billie Eilish’s brother Finneas O’Connell got married Saturday in Montecito, California. His bride is YouTuber Claudia Sulewski, an actress and founder of Cyklar skincare.

And the officiant was… Billie herself.

TMZ was able to snag some pictures and video.

There were also plenty of celebrity guests, including Justin and Hailey BieberKristen Bell and Dax ShepardJason SudeikisRachel Sennott…and Rebecca Black. 

SOURCE: TMZ