A famous singer appeared in a dream, implies and friends quarrel, interpersonal relationship will also have trouble in. We should pay more attention to the friend is jealous, jealous psychology.
Or if they don't like the artist, said you have the vanity of mind, the dream is to warn you to practical life, not only from the surface.
If this is the artist you like, it is probably just Riyousuosi, night has a dream.