Billie Eilish’s brother, Finneas, is officially married to his longtime girlfriend, Claudia Sulewski, in Montecito.
On Sunday, August 30th, People magazine reported that the 29-year-old prolific music producer exchanged vows with his partner during an intimate ceremony.
Over the weekend, Finneas and Claudia said "I do" after eight years of their whirlwind romance and one year of engagement.
For her big day, the 30-year-old host and actress tried four weekend looks, exclusively customised by Oscar de la Renta, one for the rehearsal dinner and one for the ceremony.
While the third outfit she wore was for the first dance event and another one for the reception, the two had a big fat wedding which lasted for four days.
However, Billie Eilish officiates the wedding of her brother, in Santa Barbara, in front of several celebrities, including Nina Dobrev, Dax Shepard, Kristen Bell, Emma Chamberlain, Rachel Sennot, Nat Wolff, Justin Bieber, Hailey Bieber, Stassie Karanikolaou, Jason Sudeikis & Carter Gregory.
Finneas and Claudia's love story began when they initially crossed paths on a dating application in 2018.
How did Finneas and Claudia Sulewski's love story begin?
Their romance bloomed when the younger brother of Billie publicly confessed his feelings for her girlfriend as he told BuzzFeed that he wrote his song, Claudia, within hours after meeting his special one.
In 2022, the skincare founder also made a rare cameo in Finneas' music video, Mona Lisa, Mona Lisa, as they both starred in the song.
After knowing each other for seven years, the music producer finally popped the question, proposing Claudia in September 2025, announcing their engagement.
Taking to their Instagram accounts, the couple said in a heartfelt joint post, "Forever and ever 9.22."
Finneas initially hinted at his marriage in October last year, telling People at the time, "I was nervous, and I was not. On the day it was going well, I felt really happy. But just leading up to it, there were so many elements I wanted to get right."
Well, neither Billie Eilish nor Finneas and Claudia Sulewski have posted the exclusive glimpses of their marriage.
