In this 2010 commercial for her new perfume Heat, pop diva Beyonce Knowles bares her cleavage and writhes against the wall in a flimsy red dress, making for one steamy ad. It's so hot that TV censors in the US and Britain wouldn't let the networks show it before 7:30 pm, complaining, “Beyonce’s body movements and the camera’s prolonged focus on shots of her dress slipping away to