What should i wear to a sing / acting audition its a whole week long?

thanks if u anser oh im gonna go swimming there to any certain kind of websight of cute clothes to wear im 12 at the time all turn 13 in about 2 weeks to a 1 week later ill meet some famous people and ill have to sing into the mike like im recording a cd plz help this is mainly for singing

polo and miniskirt, not too permiscuous, but nice and cute

Dress Slaks and a nice dress shirt.When you dress nice you have a higher chance of getting picked.