Rosie Assoulin is a New York-based luxury fashion brand founded in 2013 (debuting with the Resort 2014 collection) known for its distinctive, artistic, and whimsical designs that blend high-fashion drama with ease and functionality. The brand is characterized by its bold use of color, voluminous silhouettes, sculptural shapes, and high-quality fabrics, aiming to create "happy clothes" that are both playful and sophisticated.