Ashlee Ross-Næss , known professionally as Ashlee Simpson, is an American singer, songwriter, actress and television personality. The younger sister of singer and actress Jessica Simpson, she began her career as a back-up dancer for her sister and appeared in television commercials at the age of 15. She later pursued a career as an actress and had a main role on the family drama 7th Heaven. She appeared on the reality show Newlyweds: Nick and Jessica, broadcast on MTV between 2003 and 2005, which focused on Ashlee's older sister Jessica and Jessica's then-husband Nick Lachey. While working on her debut studio album, Simpson became the star of a spin-off reality series, The Ashlee Simpson Show, which was broadcast on MTV between 2004 and 2005. Like her sister before her, Simpson became the center of considerable media attention.