black backless formal dresses ABYOVRT Women Sexy Dress Bodycon Sleeveless Open Back Maxi Dress Cocktail Wedding Guest (B-Black, S) : Clothing, Shoes & Jewelry 1950's prom dress Size:17.5 / xl The classic black halter NWT ZARA LONG OPEN

black backless formal dresses ABYOVRT Women Sexy Dress Bodycon Sleeveless Open Back Maxi Dress Cocktail Wedding Guest (B-Black, S) : Clothing, Shoes & Jewelry 1950's prom dress Size:17.5 / xl The classic black halter NWT ZARA LONG OPEN

NWT ZARA LONG OPEN BACK DRESS XL $90 0881 | eBay

(Though we do wish the dress was just the one shade of green, rather than the ombre effect going down, but that's just us being nitpicky.) Going completely against the usual Bachelorette satorial guidelines (tight, low-cut, sequined, etc.), Phillips rocked a chic and unexpected black and white ensemble, including a classic white shirt a la Sharon Stone at the 1998 Oscars

1950's prom dress

Size:17.5 / xl

But the unexpected hue of the dress wasn't the only detail worth noting

The classic black halter neckline and open back add modern detailing to the ankle length silhouette