Here is a list of some of the best and greatest top fashion wordpress themes paid/premium category for making some excellent great looking fashion portals, and they are cheap too as they are from themeforest company :

Top 10 theme forest fashion themes 2013 :

Fashion design portfolio blog theme

eSpecial portfolio wp theme

Tribeca wordpress theme

Lavan fashionable wp cms theme

Titanium folio wordpress theme

Swerve portfolio theme

Noblesse wp theme

Cool white fashion theme

Unifolio premium cms theme