Opening paragraph: Have you ever imagined a world where animals are the biggest stars? Where they have millions of followers on social media and fans eagerly waiting for their next appearance? Well, welcome to the world of animal celebrities! From Grumpy Cat to Doug the Pug, animals have taken the internet by storm and become some of the most recognizable figures in popular culture. In this article, we will explore the phenomenon of animal celebrities, the reasons behind their popularity, and some of the funniest moments from their lives.