(11 of 16) Star SiblingsWhen it comes to Hollywood, good genes are a must. And every once in a while, one family produces more than one star. From the Simpsons to the Olsens, sisters and brothers are taking over Tinseltown. Here, we feature our favorite sets of star siblings. Jessica and Ashlee Simpson Traveling Down Under for the MTV Australia Video Music Awards, the Simpsons showcase their blond-bombshell look on April 12. Soon after, Ashlee darkened her locks after accusations she was just trying to look like Jessica.