On New Year's Eve in Las Vegas everyone wants to look their absolute best and nobody more than the A-listers who walk the city's red carpets and toast the New Year with bottles of comped Champagne in front of well trained cameras. Take a look at who scored (Ciara, Christina Aguilera's hotter-than-hot platform heels) and who tanked (Devon Aoki) with their outfit picks for New Year's Eve.
Nicole Richie poses for photos on the Tao/Lavo red carpet at The Venetian on Dec. 31, 2009.
Singer Ciara spent her New Year's Eve partying at Pure along with host 50 Cent, Kenyon Martin of the Denver Nuggets and Floyd Mayweather Jr.
Jason Strauss and Devon Aoki at Tao in The Venetian on New Year's Eve 2009.
Eva Longoria Parker arrives at Eve's grand opening New Year's Eve party in Crystals at CityCenter on Dec. 31, 2009.
Courtney Mazza and Mario Lopez arrive at Eve's grand opening New Year's Eve party in Crystals at CityCenter on Dec. 31, 2009.
Jordan Bratman and Christina Aguilera celebrate New Year's Eve at Tao in The Venetian on Dec. 31, 2009.
Singer Leona Lewis at the New Year's Eve party hosted by Robin Thicke at the Bank in the Bellagio on Dec. 31, 2009.
50 Cent at Pure in Caesars Palace on Dec. 31, 2009.
Singer Robin Thicke and actress Paula Patton at the New Year's Eve party hosted by Robin at the Bank in the Bellagio on Dec. 31, 2009.
Josh Duhamel and Fergie at LAX in the Luxor on New Year's Eve 2009.
The Hard Rock Hotel's New Year's Eve 2009 included John Mayer, pictured here, and his John Mayer Trio at The Joint, the opening of Vanity and the closing of Body English.