Cast members Emma Watson (L) and Ezra Miller pose with a life-size cardboard figure of co-star Logan Lerman at the premiere of "The Perks of Being a Wallflower" at the ArcLight Cinerama Dome in Los Angeles, California September 10, 2012.[Photo/Agencies]

Cast members Nina Dobrev (L), Emma Watson (2nd L) and Ezra Miller pose with a life-size cardboard figure of co-star Logan Lerman at the premiere of "The Perks of Being a Wallflower" at the ArcLight Cinerama Dome in Los Angeles, California September 10, 2012.[Photo/Agencies]