Rebel Wilson ditched workout gear for an unexpected hot pink look on Saturday which had fans doing a double-take.The star looked amazing in a prom gown which showed off her incredible weight loss and although it wasn’t exactly her usual sense of style, she still managed to rock the look.MORE: Rebel Wilson looks unrecognisable in sporty throwback photo Rebel was wearing the gown to film scenes from her new movie, Senior Year, and was posing with her castmates in the fun photos. WATCH: Rebel