Billie Eilish officiated at her brother Finneas‘ wedding.
- READ MORE: On The Cover – Finneas: “I don’t know anything as strong as mine and Billie’s creative bond”
Finneas married his long-term girlfriend, YouTuber and CYKLAR Skincare founder Claudia Sulewski, in Montecito, California, on Saturday (August 30), per Vogue.
The intimate ceremony was officiated by Eilish, photos shared by Deux Moi have revealed.
Among the other famous guests were Justin and Hailey Bieber, Rachel Sennott, Emma Chamberlain, Rebecca Black, Jason Sudeikis, Kristen Bell, Dax Shepard, Devon Lee Carlson, Stassie Karanikolaou and Jesse Jo Stark. Eilish also attended with her boyfriend, Nat Wolff.
Finneas and Sulewski announced their engagement in September 2025 after seven years together, sharing an Instagram post captioned “forever and ever 9.22.”
They pair met on a dating app in 2018, with Finneas telling BuzzFeed in 2019 that he wrote a song inspired by her, titled ‘Claudia’, within hours of meeting her.
The couple have since collaborated creatively, with Sulewski starring in and directing the video for his song ‘Mona Lisa, Mona Lisa’ in 2022.
Speaking to NME in 2021, Finneas explained that his sister is his favourite person to collaborate with musically: “I don’t know that anything could get [as] strong as our creative bond,” he told us.
“I like working with anyone that you could list that I’ve worked with,” Finneas says. “I haven’t had a terrible experience working with anybody. But I think just the intimacy of a relationship with a sibling is impossible to replicate or duplicate.”
In other news, earlier this year, Finneas was announced as the composer for the second season of Netflix’s hit show Beef.
Last year, he also joined forces with Ashe to form a new band called The Favors. The collaboration follows the pair’s first collaboration back in 2019, when they dropped the single ‘Moral Of The Story’. This was followed by ‘Till Forever Falls Apart’, which dropped two years later.
They released their debut album ‘The Dream’ last year.
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