strapless satin prom dress 21702 this light blue evening gown features a strapless design with a delicate KissProm A Line Black Strapless

The British designer says she considered the Harry Potter audience carefully before creating the dress

This modern bridal shower or reception gown features wide straps square-neck bodice and an open back

I love this because it adds a little extra detail and makes the dress slightly more casual

To bring it all together, throw in a matching brown leather band watch and belt and a deep red, navy, or white pocket square

Photo: Getty CAROLYN BESSETTE-KENNEDY Arguably the most famous slip-dress advocate of the era, Besette-Kennedy strolls through downtown NYC with her husband, 1996

And Mulligan is also one of several on the award show's red carpet who chose to show off their midriff, from Day's cutout gown to Vanessa Kirby's structured baby pink dress that gives a hint of her midsection to Zendaya's canary yellow, stomach-baring look