Knot Dress Black Multi Petal Print Dress WHISTLES Whistles UK The Printed Knot Waist Detail Dress Nightpetal Free Returns Free Shipping On Orders $49+ . Sweetheart Knot Detail Waist Applique Frenulum Knotting Sweetheart Evening Dress Ever Pretty UK. A gorgeous new colourway in a favourite bird by design style is here, in The Printed Knot Waist Detail Dress. Made in a soft and forgiving stretch jersey, this semi fitted knee length dress is perfect for day parties to semi formal affairs, and with the right wedges and fascinator might make for a winning race day fit. Features include a flattering V neckline, elbow length puff style sleeves and a knot waist detail to cinch through the midline. Love, Caroline and your wardrobe wingbirds x