The video begins with a black and white outline of a cartoon character. The character is a girl with curly hair and glasses, wearing a white shirt and blue jeans. As the video progresses, colors are added to the drawing, starting with the rainbow that is coming out of her mouth. The colors are vibrant and include red, orange, yellow, green, blue, and purple. The girl's hair and clothes are also colored in, with her hair being black and her shirt and jeans being blue. The background is a simple white with some clouds drawn in. The video ends with the fully colored drawing of the girl with the rainbow.