About Nicky Hilton
Nicholai Olivia "Nicky" Rothschild is an American socialite, fashion designer and model. She is a member of the Hilton family by birth and of the Rothschild family following her 2015 marriage to James Rothschild, a grandson of Victor Rothschild, 3rd Baron Rothschild. Hilton is the younger sister of Paris Hilton. In 2017, Hilton partnered with Tolani on a Mommy and Me collection followed by a travel-inspired line in 2019, and also launched her first footwear collection, Nicky Hilton x French Sole, that same year. In 2006, Hilton entered a partnership to open two Nicky O Hotels, the first in Miami and the second in Chicago. Theo Grace (formerly MYKA) is a jewelry line co-founded by Nicky Hilton. On June 24, 2025, Hilton launched Theo Grace, her first fine jewelry line named after her daughters and focused on customizable pieces, debuting at the SeaGlass Carousel with backing from the Tenen Group.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.