mini dress with ruching Florence Ruched nights out Denim Ruched Squareneck Mini Dress

Credit: Jeffrey Mayer/WireImage.com Keira Knightley, 2006 The British actress somehow managed to make this glamorous dark eggplant taffeta custom-made Vera Wang dress look young and fresh

During the Heian period (794-1185), it was thought to be more aesthetically pleasing to add more and more layers under the kimono

They have some really pretty new arrivals!

It added structured energy to any dress or denim skirt combo

Hartig, the museums director, said the collection explores the critically important, often unofficial position that the first lady has had in our history, and the different ways that women, sisters and aunts have shaped the role to make their own contributions to the presidential administrations and, of course, their service as first lady to the nation. The exhibition features more than a dozen gowns, including ones worn by Mary Todd Lincoln, Jacqueline, Kennedy, Laura Bush and Michelle Obama, Hartig said