black dress with white ruffle Sherri Hill 55221 | Sherri Hill Dresses %0D%0A*%20If%20you%20are%20between%20two%20sizes%20the%20larger%20one%20is%20recommended.%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B Size:6-XS Bauhaus She’s in Parties size-28

black dress with white ruffle Sherri Hill 55221 | Sherri Hill Dresses %0D%0A*%20If%20you%20are%20between%20two%20sizes%20the%20larger%20one%20is%20recommended.%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B Size:6-XS Bauhaus She’s in Parties size-28

Bauhaus She’s in Parties Dress by Midnight Hour | Button-Up Goth Shirt Dress XS / Black

‘Do you get to wear the Revenge Dress?’ ‘Oh my God, you get to wear the Revenge Dress!’” Diana’s decision to wear the dress that evening was apparently an impulsive one

size-28

Size:6-XS

In general, however, black-tie doesn't mean black, and colour is usually welcome as long as the silhouette feels formal enough (floor-length dresses would be a safe bet)

%0D%0A*%20If%20you%20are%20between%20two%20sizes%20the%20larger%20one%20is%20recommended.%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B%0D%0A%26nbsp%3B