Ashlee Simpson, who many of us think as a woman without any talent, performed in Chicago musical, and did well. Kelly Osbourne, another celebrity without much talent but a lot of attitude is playing the same role that Queen Latifah played in the movie. Like her brother Jack Osbourne who lost weight through diet and exercise and unlike her mother Sharon Osbourne who became skinny through a plastic surgery makeover, Kelly has lost all her weight through aggressive dieting.