SheIn offers its SheIn Women's Color-Block Buttons Slim Split Dress for $15.49 with free shipping. That's $12 off list and tied with last month's mention as the lowest total price we could find. It's available in most sizes from S to XL.

Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the 99-cent fee. This item ships from mainland China and should arrive in three to four weeks.