Billie Eilish took on a special role at her brother Finneas O’Connell’s wedding, officiating his marriage to longtime girlfriend Claudia Sulewski. The Grammy-winning singer was seen standing between the newlyweds as they exchanged vows in Montecito, California. The intimate family affair was attended by their parents, celebrity friends, and the couple’s beloved dogs.

Billie Eilish officiates her brother’s wedding

Finneas O’Connell and Claudia Sulewski have married. The music producer and his longtime girlfriend wed in Montecito, California, on Saturday, Vogue magazine reports. Finneas’s sister and musical partner, Billie Eilish, officiated the marriage. Their parents, Maggie Baird and Patrick O’Connell, were also there, while the couple’s dogs, Peaches and Moose, joined the celebration.