克里斯蒂亚诺·罗纳尔多是一位国际足球超级巨星。

Cristiano Ronaldo is an international soccer ___superstar.

这位年轻的小提琴家已经成为古典音乐界的超级明星。

The young violinist has become a ___superstar in the classical music world.

他不过打扫了一下房间，就表现得像个大明星似的。

He acted like a ___superstar just for cleaning his room.