Billie Eilish officiates brother Finneas’ star-studded wedding to Claudia Sulewski

Eilish wore an olive green dress as she played a special part in her brother and music collaborator's nuptials.

BILLIE Eilish's older brother Finneas has tied the knot. The singer-songwriter married longtime girlfriend Claudia Sulewski over the weekend, just under a year since popping the question last September. The couple - who have been together for seven years - said "I do" in Montecito, California on Saturday. The marriage

Pop stars can officiate weddings now? Billie Eilish officiated her brother FINNEAS' wedding to his wife, Claudia Sulewski.

Billie Eilish's brother, Finneas, married his longtime girlfriend in a star-studded wedding.  MARCA