Hilton was born in New York City and raised in Los Angeles. She is the daughter of Richard Hilton, a hotel heir of the Hilton family who works as a businessman in real estate and Kathy Hilton (née Avanzino), a former Actress and half sister of Kim and Kyle Richards. Hilton was named after her great-uncle, Conrad Nicholson Hilton, Jr. She is the second of four children: she has an older sister, Paris Whitney Hilton (born 1981), and two younger brothers, Barron Nicholas Hilton II (born 1989) and Conrad Hughes Hilton III (born 1994).