Nikki Hilton is equal parts hotel heiress, fashion designer, social butterfly, club-hopper, fashion model, and socialite. Hilton launched her own fashion line, Chick by Nicky Hilton, in 2004. She recently launched a second line, Nicholai. Hilton has modeled for the Australian underwear line Antz Pantz, and has guest-modeled for many designers during fashion week. She has acted in movies like National Lampoon.s Pledge This! In 2006, Hilton entered a partnership for the Nicky O Hotel in Miami. It features suites by famous designers like Heatherette, Betsey Johnson, Roberto Cavalli, and others.