realistic digital illustration of an adorable cat laughing, mouth open with teeth showing, isolated on black background, in the style of [Artgerm](https://goo.gl/search?artist%20Artgerm) and [Greg Rutkowski](https://goo.gl/search?artist%20Greg%20Rutkowski) and [Alphonse Mucha](https://goo.gl/search?artist%20Alphonse%20Mucha)