This is my guess: Both of them works in an amusement park or some sort and the old employees give out the most recent, popular Disney princess costume to the newbies as they're normally the ones that will be swarmed by kids. Old princesses have it easy as they're not that popular anymore like Ariel etc.
This is not Emily. This is from the movie "The Last Exorcism" the name of the girl is Nell played by Ashley Bell. The Exorcism of Emily Rose was a different movie. *Flies away*
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