Here's a stunning long prom dress that combines refined styling and shimmering details. Sold exclusively at PromGirl, this dazzling long formal dress has a sequin pattern from the v-neckline to the hem of the curve-hugging long skirt. The corset-style sheer bodice gives this sparkly evening gown a sexy upgrade. Ending at an elegant floor length, the fully-lined long skirt shines as it gently flares around the knees. Also beautiful for military balls, galas, and other formal events, this long…