Rebel Wilson may have shed the pounds, but she certainly has not lost a single ounce of her sense of humor.MORE: Rebel Wilson is positively glowing in new sporty selfie Her latest post to her Instagram feed is evidence of that, as she celebrates the coming together of her new movie in spectacular fashion.WATCH: Rebel Wilson twerks the house downRebel, in her snug green cheerleading outfit, teamed up with the rest of the cheerleaders and cast members from the movie to celebrate their time filming