Billie Eilish Swaps the Stage for the Altar, Officiating Brother Finneas's Seaside "I Do"

Finneas O'Connell exchanged vows with longtime love Claudia Sulewski at a shoreline gathering on the California coast this week. Rather than bring in outside clergy, the couple kept it in the family, letting Grammy winner Billie Eilish step up to pronounce her own brother married.

With reporting from Harper's Bazaar.