A celebrity appearance refers to the presence of a famous person at an event, such as a movie premiere, award show, or promotional gathering. These appearances often attract media attention and fans, as people are eager to see their favorite stars in person. Celebrities like Taylor Swift or Dwayne Johnson can significantly boost the visibility of an event. Such appearances can also serve various purposes, including promoting a new project, supporting a cause, or enhancing brand visibility. For instance, when a celebrity endorses a product at a launch event, it can lead to increased sales and public interest in the brand.