Sydney Sweeney Spotted on 'Devil Wears Prada 2' Set Amid Ad Controversy

Sydney Sweeney is a total jean-ius ... trading her real-life denim drama for some high-fashion fiction -- 'cause she just popped up on the set of "The Devil Wears Prada 2." Onlookers spotted the actress stepping out of a trailer in the vicintity of…