The Helsi Catherine Strapless Sequin Column Midi Dress dazzles with its shimmering sequins and flattering column silhouette, embodying effortless glamour for any special occasion. The Helsi Catherine Strapless Sequin Column Midi Dress dazzles with its shimmering sequins and flattering column silhouette, embodying effortless glamour for any special occasion. Helsi — a namesake of the founder’s mother, meaning “independent,” “confident,” and “ambitious” — designs hand-crafted, special occasion garments. Focusing on boutique pieces, Helsi’s team of artisans carefully crafts dimensional florals and trims with embroidery, feather, and pearl accents.