Nicky Hilton is an American socialite, businesswoman, and fashion designer, born on October 5, 1983. She is the younger sister of Paris Hilton, a well-known media personality. Nicky gained fame through her family's prominence and has built her own career in the fashion industry, launching several successful clothing lines. In addition to her fashion ventures, Nicky Hilton is also known for her work in the hotel industry, as her family owns the Hilton Hotels chain. She has made appearances on reality television and has been involved in various charitable activities, further establishing her public persona.