This silhouette is a different spin on the high/low trend that I've been seeing so much of lately. The long sleeves and the buttons down the front make me think of a shirtdress and the black and white color makes me think of tuxedo.
Here a few fabulously similar options FOREVER 21 SHIRTDRESS, URBAN OUTFITTERS SHIRTDRESS, ANTHROPOLOGIE IKAT SHIRTDRESS
wearing: forever 21 shirtdress, jessica simpson heels, target & steve madden arm candy
worn to: black firefighter association benefit dance