Polka dot dresses are garments characterized by a pattern of large or small dots evenly spaced across the fabric. This playful design can be found in various styles, including casual sundresses, formal gowns, and even vintage-inspired pieces. The dots can come in different colors, often contrasting with the background, making them visually striking. These dresses have a long history in fashion, gaining popularity in the 1950s and often associated with iconic figures like Marilyn Monroe. They are versatile and can be worn for various occasions, from casual outings to more formal events, making them a staple in many wardrobes.