Sydney Sweeney served up vintage style while promoting her upcoming movie Americana, sharing new behind-the-scenes photos that gave a sneak peek at her look in the crime-thriller. "A few years ago I filmed this little movie with some friends and now you get to meet Penny Jo," she teased in an Instagram post on Wednesday, August 13, ahead of its theatrical release. Sweeney, 27, showed off her voluminous curls while getting into character as a small-town waitress with big dreams of becoming a country superstar.