Actually, I think
witheredlilies converted a teen sims store dress to adult, added wedges and recolored it, and then I converted that mesh back to teen... Oh well, the result is cute, no matter the way it got there. You can find the adult version
here.
Full body pic:
These are the colors I used for the default replacements:
And there are also a teal and a white-red-black (very cute) recolor, if you download the customs. The customs are grouped as everyday & formalwear.
These are the dresses that'll be replaced:
Compressed.
Download: customsDownload: replacements