Fashion Trend Alert – Sheer Bottom Dresses and Skirts. One of the hottest trends to check out this spring and summer season is the look of sheer bottom dresses and skirts. If you have yet to check out this trend, then what are you waiting for. The warmer season of course is known for showing off some skin, and legs are definitely the main focus for many. Sheer bottoms are the latest and sexiest ways to show off your legs without being too proactive and over the top. They offer up a look that is sophisticated, simplistic yet extremely sexy and alluring. Perfect for the girl who wants to show off some skin, in a subtle kind of way. Look below to see my tops picks for dresses with sheer bottoms.