Dainty ruffles add a stylish touch to this country-cool Geren Ford Gather Ruffle Neck Top, which sells for $258 at Shopbop.com.
If you're merely looking for any ol' sleeveless plaid top with ruffles (ya know, nothing too specific), then Forever 21 might fit the bill. This Marisol Woven Top features a smocked yoke with ruffled trim and retails for just $14.80.