J. Crew Sleeveless Shift Dress in Midnight Floral Jacquard (style code C4473). It's a vibrant, multicolored cocktail dress featuring a split neckline and a floral pattern in shades of pink, purple, and blue.

The dress is designed with a straight silhouette and a shirttail hemline, often crafted from a jacquard fabric that gives it a slightly textured, reflective finish.