main headliner
headline act
festival headliner
A: Who is the headliner for the concert tonight?
A：今晚演唱会的领衔嘉宾是谁？
B: The band is the headliner, and they will perform their latest hits.
B：这支乐队是领衔嘉宾，他们将表演他们最新的热门歌曲。
1) 演出的领衔主演
2) 活动中的主要吸引者
3) 核心演职人员
1. 领衔主演，主要表演者
noun
1. A person or group that is the main attraction of a show, concert, or event.
Synonym: star, lead