I saw this dress and think it's cute...
http://www.tillys.com/tillys/variants.aspx?prod=175922100&ctlg=020_Girls&cid=1068&source=1&size=
Are those dresses comfortable or irritating? I think it would be fitting and I could wear it for the rest of the summer too. That other dress in my last thread is a very heavy almost denim like material.
Edit..
Or this top and a black a line skirt?
http://store.nofear.com/products2.cfm/ID/27902/name/l-a-clothing-womens-lace-bow-tube-top