Rosie Assoulin Fundamentals

Rosie Assoulin is a New York City based fashion designer known for her whimsical yet wearable designs, blending romantic flair with practicality, featuring voluminous silhouettes, vibrant colors, and sculptural elements for statement dresses, skirts, and jumpsuits. After training with industry legends like Oscar de la Renta and Lanvin, she launched her eponymous line in 2012, quickly gaining acclaim and awards for her unique aesthetic that balances fantasy with function, worn by celebrities and adored for special occasions. In 2025 Fundamentals was launched to complement main line's maximalist sculptural style with practical high quality pieces like dresses, shirts and skirts often in her signature vibrant colors, patterns, and voluminous shapes, blending fantasy with wearability for a broader audience.