Billie Eilish’s Brother Finneas Marries Claudia Sulewski as Wedding Sparks Online Backlash

MONTECITO, Calif. — Finneas O’Connell and Claudia Sulewski are officially married, but the couple’s glamorous California wedding has sparked an unexpected debate online — with much of the attention landing on Finneas’ sister, Billie Eilish.

The longtime couple tied the knot on Aug. 29 in an intimate outdoor ceremony in Montecito. Billie Eilish officiated the wedding, adding an especially personal touch to the celebration.

A Star-Studded Celebration

The wedding brought together a major group of celebrity guests, including Justin and Hailey Bieber, Kristen Bell, Dax Shepard, Jason Sudeikis, Nina Dobrev and Emma Chamberlain.

Sulewski, an actress, content creator and beauty entrepreneur, wore several custom Oscar de la Renta looks throughout the wedding weekend.

Finneas and Sulewski have been together since 2018 and became engaged in September 2025.

Why Billie Became the Focus

While the wedding itself was a celebration of the couple, social media users quickly turned their attention toward Billie Eilish’s role in the ceremony.

Critics pointed to comments Eilish made earlier this year about America being built on “stolen land,” arguing that the Montecito location created what they viewed as an uncomfortable contradiction.

The criticism intensified online, with some users accusing the singer of hypocrisy over her public statements and her participation in an expensive celebrity wedding.

However, the backlash represents critics’ opinions, rather than evidence that Eilish herself selected the wedding venue or personally made decisions concerning the property’s history.

A Family Moment Overshadowed

For Finneas and Sulewski, the ceremony marked the culmination of an eight-year relationship. Billie’s role as officiant highlighted the close relationship between the siblings, who have worked together throughout their award-winning music careers.

What began as a private family celebration has now become another example of how celebrity weddings can quickly become part of a much larger online conversation.

For the newlyweds, however, the headline moment remains simple: Finneas and Claudia are married.