marine corps dress blue alphas Marines adopt new uniform rules for cammies, blues It features gold plated metal buttons Officer Blue Dress A (medals)

It racked up more than 20 million views on Buzzfeed, became the number one trend on Twitter and drew a deep divide in some relationships -- even celebrities joined in

However, when The Batman star did a 360 for the cameras, she revealed that the coy gown was more provocative thanks to a sheer cut-out panel through which her bum could be glimpsed

Standard Length: Maxi

She was still Lady Diana Spencer when she wore this dress designed by Elizabeth and David Emanuel to a blacktie benefit event in March 1981

The classic formal silhouette is accented with vibrant red, regal purple, sparkling gold, rich burgundy, deep navy blue, royal blue, and versatile brown