Jennifer Hudson left fans open-mouthed with a risque outfit she wore to hula-hoop. The Voice's former judge showed off her toned physique and her impressive exercise moves in a boomerang clip she posted on Instagram.MORE: Jennifer Hudson's tragic past and how it shaped her futureIn the video, Jennifer wowed in a very short bodysuit with a revealing neckline as she swung her hips from side to side to keep the hoop around her waist. Jennifer Hudson falls in love with beautiful Aretha Franklin