Nicky Hilton was born October 5, 1983.She is an American fashion model, socialite, and fashion designer. According to Wikipedia: Hilton is also an heiress to a part of the Hilton Hotel chain, as well as to about 5%-15% of her father's real estate fortune and investments. She is the second of four children born to Richard Hilton and Kathy Richards. Her sister and brothers are Paris Hilton, Barron Hilton II and Conrad Hilton III. On the maternal side of her family, Nicky Hilton is a niece of two popular child stars of the 1970s, Kim Richards and Kyle Richards, who appeared in the motion picture Escape to Witch Mountain and TV shows like Nanny and the Professor, Little House on the Prairie, and later, ER. Her paternal grandparents are Barron Hilton and Marilyn Hawley.