This combination of a sheath dress and a white short sleeve button down shirt is a solid bet when you need to look good but have no extra time to dress up.
White Short Sleeve Button Down Shirt with Sheath Dress Outfits
So as you can see, looking refined doesn't take that much effort. Just try pairing a sheath dress with a white short sleeve button down shirt and you'll look incredible. When not sure about the footwear, stick to black cutout leather ankle boots.