12/31/2009 – Christina Aguilera – Christina Aguilera and Nicole Richie Host New Years Eve at TAO and LAVO in Las Vegas on December 31, 2009 – TAO and LAVO at the Palazzo Hotel and Casino – Las Vegas, NV, USA – Keywords: arm tattoo, black sequin spaghetti strap mini dress, diamond necklace, diamond pendant, short straight blonde hair – 0 – – Photo Credit: PRN / PR Photos – Contact (1-866-551-7827)