Nicholai Olivia Hilton, professionally known as Nicky, was born in the vibrant city of New York, into the illustrious Hilton family, and is blessed with three siblings, an older sister Paris Hilton, and younger brothers Barron Hilton and Conrad Hilton. She is the loving daughter of Kathy Hilton (née Kathleen Elizabeth Avanzino),a devoted mother, and businessman Rick Hilton, a successful entrepreneur, and a great-granddaughter of the renowned hotel magnate Conrad Hilton. Nicky's ancestry is a rich tapestry, weaving together Italian (from her maternal great-grandfather),Irish, Norwegian, German, English, Scottish, and Welsh heritage.
Growing up, Nicky had the privilege of enjoying a luxurious upbringing, relocating to several exclusive residences throughout her youth. She often accompanied her older sister Paris to popular nightclubs in New York City. After completing her education at Convent of the Sacred Heart in 2001, Nicky went on to attend Parsons School of Design. Following her academic pursuits, she ventured into the world of fashion, focusing on designing clothing and handbags.
In 2004, at the tender age of 20, Nicky became engaged to her childhood sweetheart, Todd Meister, a successful businessman who worked on Wall Street. The couple tied the knot in Las Vegas, but their union was annulled just one month after Nicky's 21st birthday.
In 2007, Nicky launched her own clothing line, "Nicholai", catering to an older, upscale demographic. Her sister Paris Hilton, a renowned entrepreneur, was also involved in a high-profile scandal in Japan in September 2010, where they were denied entry to a conference promoting Paris's products, primarily cosmetics and perfumes.