Billie Eilish's brother, Finneas, married his longtime girlfriend in a star-studded wedding.
Finneas O"Connell and his longtime girlfriend, Claudia Sulewski, are officially married. And yes, Billie Eilish was the officiant
Love is in the air and, finally, one of the most beloved and stable couples on the music scene has taken the big step. Finneas O’Connell , the brilliant producer and brother of Billie Eilish, got married this Saturday to his longtime girlfriend, actress and influencer Claudia Sulewski.
The couple chose the idyllic and exclusive San Ysidro Ranch in Santa Barbara, California, as the perfect setting for an outdoor wedding surrounded by greenery, to seal a love story that has been captivating their followers for eight years.
A guest list worthy of a red carpet
The celebration remained packed with stars from the couple's closest circle. Among the most prominent were Justin and Hailey Bieber, actors Kristen Bell and Dax Shepard, Nina Dobrev, Jason Sudeikis, content creator Emma Chamberlain, as well as Carter Gregory, Stassie Karanikolaou, and Rachel Sennott.
According to the first leaked images, the performer of "Birds of a Feather" officiated the couple's vows in a nature-surrounded setting. Billie was not alone; she attended accompanied by her boyfriend, actor Nat Wolff , sharing the front row with her parents, Maggie Baird and Patrick O’Connell.
Sulewski wore several Oscar de la Renta dresses during the weekend of celebrations. For the ceremony, she chose a spectacular strapless ball gown with a drop-waist bodice and an elegant scarf around her neck.
In an exclusive interview during her final fittings with Vogue magazine, the Shrinking actress confessed what she felt when she tried it on for the first time: "We were putting it on and I said, "this dress has something that simply calls for a minute of silence"". Even Billie Eilish herself joined the fittings by video call and couldn't contain her emotion when she saw her: "Oh my God, I can't believe it. You look like an angel", she told her now sister-in-law.
The couple's love story began in 2018, when they met through a dating app. Shortly after meeting, Finneas wrote the song “Claudia” , inspired by her. Sulewski was also the muse for the track “ Mona Lisa, Mona Lisa” , released in 2022, and starred in its music video.
Finneas and Sulewski got engaged in September 2025, during a mountain date. The couple then announced their engagement with the message “forever and ever 9.22”. Now, after eight years together, they are officially celebrating their marriage surrounded by family and friends from the entertainment world.
