Popsugar Celebrity Leighton Meester Photos of Leighton Meester Performing in Las Vegas 5 January, 2010 by POPSUGAR Celebrity AU 0 Shares View On One Page Photo 0 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 0 Photos of Leighton Meester Performing in Las Vegas Previous Next Start Slideshow Leighton MeesterHot Musos