UPDATE: The couple later gave a statement to Us Weekly: "It was an unfortunate incident and misunderstanding. Ms. Roberts was released after questioning and the couple are working together to move past it." Original story: Emma Roberts and Evan Peters looked like they were having an idyllic romance, but right now it's looking a little more like a horror story. TMZ is reporting that 22-year-old Emma, Eric Roberts's daughter and Julia Roberts's niece, was arrested early in the morning of July...