talent show
An entertainment in which new entertainers try to win a prize.
Mary won the talent show by her dancing.
The people liked Bill's singing in the talent show.
variety show
A program that includes several different kinds of entertainment (as songs, dances, comic skits and little dramas).
Jane's father was the master of ceremonies of a variety show on TV.
whole show
The only important person; big boss.
You're not the whole show just because you got all A's.