I have a job interview for hollister on tuesday and a interview at abercrombie kids friday?

i applied at both places for the modeling position and the big question is what do i wear. i bought a royal blue nice button down shirt black trousers and dress shoes but im not sure if they would find it acceptable i thought since this is a job interview why not dress casually professional but everyone saying wear hco or abercrombie but i thought that might make me seem desperate. so what do i do please a good answer will be greatly appreciated.