Claudia Sulweski highlights strong bond with Billie Eilish and shared passion for the beauty universe

In a recent interview, the content creator and sister-in-law of the singer opened up about their close relationship and business in the cosmetics sector.

Digital content creator Claudia Sulweski recently opened up about the very close relationship she maintains with Billie Eilish. In addition to now officially sharing family ties, the two share common interests that go far beyond daily life, with a special emphasis on the universe of beauty and cosmetics.

Claudia made her union with Finneas O'Connell, brother and main musical partner of the Grammy winner, official in a romantic ceremony held in late August 2026 in the charming town of Montecito, California. The wedding crowned a solid love story that had already lasted almost eight years between the producer and the influencer.

However, the harmony between the newlywed and the *BIRDS OF A FEATHER* singer gained even more strength due to a very clear professional affinity. Both are entrepreneurs in the competitive fragrance and personal care market, which leads to frequent, long conversations about the latest news and trends in the sector.

In a recent interview with People magazine, the founder of the CYKLAR brand commented on their mutual admiration for each other's businesses. The businesswoman highlighted that she fully trusts the pop artist's good taste in practically everything, especially when it comes to the beauty and aesthetics market.

During the conversation, Claudia also took the opportunity to tease some of the big news planned for her own brand in the near future. She revealed that the main focus for the next year will be the expansion of the line focused on specific body skin care and treatment, in addition to the development of new aromas for the perfume collection.

The content creator reinforced that the central purpose of her company is to encourage daily self-care and prioritizing one's own well-being. According to the thirty-year-old entrepreneur's vision, taking care of oneself is the essential first step to being able to better perform all roles in personal and professional life.

The friendship and mutual respect between Billie Eilish and Claudia Sulweski delight fans who closely follow the behind-the-scenes of the O'Connell family. With consolidated careers and common passions, the two continue to inspire the public in both music and entrepreneurship.