01/10/2010 – Kristin Cavallari – Kristin Cavallari 23rd Birthday at Eve Nightclub in Las Vegas on January 10, 2010 – Eve Nightclub in Crystals at CityCenter – Las Vegas, NV, USA – Keywords: strapless purple dress, long straight blonde hair – 0 – – Photo Credit: PRN / PR Photos – Contact (1-866-551-7827)