Nicole Richie is an American television personality, fashion designer, and author, born on September 21, 1981. She gained fame as a star on the reality TV show The Simple Life, which aired from 2003 to 2007, alongside her childhood friend Paris Hilton. The show followed their lives as they navigated various challenges in rural America. In addition to her television career, Richie has launched her own fashion line, House of Harlow 1960, and has written several books, including a novel titled The Truth About Diamonds. She is also known for her philanthropic efforts and has been involved in various charitable organizations throughout her career.