As Sweeney's American Eagle jeans ad continues to stir controversy and outrage -- with speculation it helped tank her latest film Americana -- co-star Halsey is speaking out in defense of the movie and the hard-working people who came together to make it.

"Americana" star and singer Halsey said she was displeased with the commotion surrounding the film, which costars Sydney Sweeney.

"you should go see this movie. because [director] @tonytost made an exceptional film, in honor of a genre he knows intimately," the singer wrote.