United Kingdom, Sept. 11 -- Billie Eilish officiated her brother's wedding because both he and his bride-to-be wanted her in their wedding party.

Finneas O'Connell and Claudia Sulewski tied the knot in an outdoor ceremony in California on 29 August and not only was the bad guy hitmaker the first person they got in touch with after they started planning their big day, they were very keen to have her play a key role in the ceremony so decided to compromise and ask her to precide over their

exchange of vows.

Speaking in a video shared to YouTube, Claudia said: "When we first started to officially plan our wedding, the first person that we called was Finneas' sister, Billie.

"He wanted her to be his best man, and I wanted her to be my mai...