Awesome. I've always been a big fan of this Wonder Woman costume:

[img=http://static.comicvine.com/uploads/original/11/117094/2201334-inset_1.jpg]

You could mix up the colour palate if you want, then have her use this mask:

[img=https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRZ2zYHXhZX8LPtS28WoNq1vOqxBoLzy9oE05KVNFI7FvcdKENUng]