star attraction; crowd puller; draw card
Refers to a person, animal, or thing that attracts a large audience or customers. Often used for a popular figure or exhibit that draws crowds, similar to 客寄せパンダ. The image is of a panda at a zoo that brings in visitors.
See also: 客寄せパンダ
That new singer is now the TV station's star attraction.
At this event, a famous actor was invited as a crowd puller.