Finneas O'Connell and Claudia Sulewski Wed in California as Billie Eilish Officiates

Musician and record producer Finneas O'Connell married his longtime partner, actress and influencer Claudia Sulewski, in a private ceremony in Montecito, California. Finneas's sister, Grammy-winning pop star Billie Eilish, officiated the wedding. The intimate outdoor event included participation from the couple's pet dogs, adding a highly personal touch to the celebration. High-profile celebrity friends, including Justin Bieber and Hailey Bieber, attended the wedding festivities to support the couple.

Finneas and Claudia Sulewski began their relationship in 2018 and quickly became one of the music industry's most visible couples. Over the years, they documented their lives together through social media and collaborative creative projects. The couple officially announced their engagement in 2025 before planning their multi-day wedding celebration. For the weekend festivities, the bride wore four distinct custom outfits designed by the luxury fashion house Oscar de la Renta.

This high-profile wedding has captured widespread attention globally and in India, where Billie Eilish and Finneas maintain massive fanbases. The sibling duo is widely celebrated in India for their multiple Oscar and Grammy wins, making their family milestones a major talking point on domestic social media platforms. The wedding highlights the close-knit creative partnership between Finneas and Eilish as they continue to shape the global pop music landscape together.