Continuity mistake: Near the beginning of the movie when Joy is in her airline's company uniform and getting ready to go to work, the knot on her scarf changes from loose to tight several times in the different shots.
Joy (2015)
Trailers
Directed by: David O. Russell
Starring: Robert De Niro, Bradley Cooper, Jennifer Lawrence, Edgar Ramirez, Elisabeth Rohm
More trailers
More mistakes in Joy
Joy: Don't ever think that the world owes you anything, because it doesn't. The world doesn't owe you a thing.