Buci, launched by Ivanovic in 2020, is a contemporary womenswear brand known for its ethically made slip dresses, form-fitting separates, and swimwear, all crafted in New York. The brand first gained significant attention with its organic terry cotton shorts, which sold out within hours after influencer Marie von Behrens-Felipe, with 1 million followers, shared them on her feed. Although sales were under $200,000 in 2022, they continue to maintain growth each year. Buci operates primarily through direct-to-consumer sales, with Revolve as its exclusive stockist, accounting for 40% of turnover. Ivanovic, who self-funded the brand with part of her college savings, continues to oversee every aspect of the business, driven by a commitment to quality and sustainable, ethical production.