Ashlee Nicolle Simpson was born on October 3, 1984 in Waco, Texas, to Tina Simpson (née Drew) and Joe Simpson, who is a psychologist and Baptist youth minister. Ashlee started dancing at the age of 4 and by the time she was 11 enjoyed the status of being the youngest person ever admitted to the prestigious School of American Ballet. By 14, Ashlee was dancing professionally on the road with her older sister, pop singer Jessica Simpson. Ashlee spent 1999-2001 on tour supporting her sibling and garnering her own fan base.

She appeared on the big screen in the film The Hot Chick (2002) alongside Rob Schneider, and has made television appearances, including a guest-starring role on Malcolm in the Middle (2000). She has also appeared alongside her sister on Saved by the Bell: The New Class (1993), The Rosie O'Donnell Show (1996), The View (1997), The Tonight Show with Jay Leno (1992) and a Disney Christmas show and concert special. She trained with renowned acting coach Janet Alhanti. Ashlee enjoys spending her free time vintage shopping, writing and recording music and hanging out with friends. Her work includes two well-received CDs, "Autobiography" and "I Am Me."