Rebel Wilson has made a huge body transformation over the last 18 months but her appearance was far from ideal in her latest snapshot. The Pitch Perfect host showed off her silly side with a selfie she admitted she was not impressed with. MORE: Rebel Wilson wears cropped top and low-slung jeans in unexpected photo In the photo she shared on her Instagram stories, Rebel looked trim and fit in a cheerleading outfit on the set of her new movie, Senior Year. WATCH: Rebel Wilson wears a mesh top for