Ashlee Simpson is an American pop singer and actress. She is the younger sister of pop star Jessica Simpson and is better known as Cecilia on the television series, 7th Heaven. She rose to stardom and came out of her sister's shadow with her hit album, Autobiography and its accompanying reality show, The Ashlee Simpson Show. Ashlee Nicole Simpson was born in Waco, Texas on October 3, 1984. She started dancing when she was just four. When she was just 11 years old, she got admission in the prestigious School of American Ballet and was the youngest person ever admitted to the school.