Alloy 3/4 Sleeve Shirtdress ($39.50)

Alloy Menswear Mixed Media Dress ($42.50)

Alloy Striped Ruffle Yoke Dress ($39.50)

obviously would need to be worn with leggings of some sort in a non-casual office, since it is pretty short, but so cute!
Delia's Pamela Check Dress ($39.50)

Old Navy Belted Satin Dress ($34.50)

I debated as to how office appropriate this dress was since the satin makes it a little bit slinky/festive. But how awesome would it look with some black leggings and boots in the fall? Very office approriate.
Old Navy Floral Shirt Dress ($29.50)

Casual Fridays? Am I reaching? I had to include this dress, it's so cute, and despite being short, it's otherwise very modest.
Old Navy Stretch Ponte Pleated Tank Dress ($29.50)

Old Navy Voile Cinch Tie-Dress ($29.50)

Dresses are just so perfect for everything (except yardwork. Ok, maybe some yardwork? Special yardwork, like trimming flowers from your garden for a lovely impromtu bouquet. Yes, because I do this ALL the time in my imaginary yard. But, IF I DID, I would do it in a dress). My point is, you just throw one on and go, and you can buy a whole new ensemble for a lot less money if you just go for a good dress.