What is a cupcake dress?

A "cupcake dress" is not a recognized term in fashion. It's likely a playful or informal way of describing a dress that has some qualities reminiscent of a cupcake, such as:

* Shape: A dress that is fitted at the waist and flares out at the bottom, resembling the shape of a cupcake.

* Color: A dress in a bright, sweet color like pink, yellow, or pastel blue.

* Details: A dress that features details like ruffles, bows, or embellishments that could be associated with a cupcake.

* Pattern: A dress with a pattern that resembles frosting or sprinkles, such as polka dots or floral prints.

However, without specific context or an image, it's difficult to know exactly what someone means by a "cupcake dress." It's best to ask for clarification if you're unsure.