These were the dress robes worn by Cho Chang to the Yule Ball in 1994, which she attended with Cedric Diggory.[1] The robes were silver, Chinese-style robes.[1] In Harry Potter: Hogwarts Mystery, female player characters can win an outfit based on this in the film in a limited time Full Marks event (male player characters instead receive an outfit based on Cedric Diggory's), which coincided with the 2021 Chinese New Year. Harry Potter and the Goblet of Fire (film) (First appearance) Harry…