IN CASE YOU MISSED IT: Billie Eilish officiates at brother Finneas' wedding.

The music producer and his long-term girlfriend Claudia Sulewski, wed in Montecito, California, on Saturday, Vogue magazine reports. Finneas's sister and musical partner Billie Eilish officiated the marriage, as shown in photos obtained by DeuxMoi. Other celebrities in attendance included Nina Dobrev, Dax Shepard, Kristen Bell, Emma Chamberlain, Jason Sudeikis, Justin and Hailey Bieber and Eilish's boyfriend, Nat Wolff. Finneas met Sulewski, an actor and skincare entrepreneur, on a dating app in 2018. In 2019, he told BuzzFeed that he wrote his song Claudia within hours of meeting her.