This gown, from the final scene of Episode V: The Empire Strikes Back, replicates Leia's original costume, though made from a heavier fabric, with a shorter collar and reduced sleeve width.

Full length:

Scuffs on the boots (the boots worn throughout the shooting of the film):

Adjusting the buns for A New Hope:

Next up: something from Padmé. Comment below if you have a preference which costume of hers is next.