Being a HEADLINER is an important role in the entertainment industry. It involves being the main attraction of a show or event, usually as a singer, actor, or comedian. The term 'HEADLINER' is derived from the idea of having one's name featured prominently on the marquee or poster of an event. To be a HEADLINER, one must have the talent and charisma to draw a large audience. It is a highly sought-after position, and those who are successful in this role can become household names.