Powered Buttercup is Kaoru's standard Powerpuff transformation after being hit by a white ray of light. Appearance: Kaoru's Powered Buttercup attire is a short green dress with black straps and matching black trimming on the bottom of the skirt, she wears a yellow and green Powerpuff jacket with a yellow "P" on the front left side with a green and white heart design on the back. She wears green shoes, along with black finger-less gloves. In this form she wears two green diamond-shaped hair clips as her accessories, along with the standard white pearl earrings and Powerpuff choker, ring, and belt in her signature color.