In the video, a person is seen decorating a chocolate cupcake with white icing. The person uses a piping bag to apply the icing in a circular motion, starting from the center and moving outwards. The icing is applied in a spiral pattern, creating a visually appealing design on top of the cupcake. The person's hands are steady, and the icing is applied evenly, suggesting that they are experienced in cake decorating. The chocolate cupcake is placed on a wooden surface, and the background is blurred, focusing the viewer's attention on the cupcake decorating process.