Nicky Hilton nude sexy pictures.Nicholai Olivia "Nicky" Rothschild (née Hilton, born October 5, 1983) is an American fashion designer, socialite, and model. She is a member of the Hilton family by birth. Her great-grandfather was Conrad Hilton, the founder of Hilton Hotels. Through her marriage to James Rothschild, she became a member of the aristocratic Rothschild family.