Current 12+ Lily James Cinderella Blue Dress. Cinderella blue ball gown evening dress cinderella. Lily james and richard madden's costume from disney's cinderella on display. Find out more details about costume designer sandy powell's creation here! Lily james as cinderella, in her gorgeous, layered, cornflower blue ball gown. Lily James Cinderella Blue Dress - Cinderella The Making Of Lily James Cinderella Costume By Numbers Lily james' cinderella premiere dress was actually a fairy tale come to life.