Jack Black, Melanie Griffith Sighting in Las Vegas, Nevada on 04/25/12 at 7:00 PM at Caesars Palace
LAS VEGAS, NV - APRIL 25: Melanie Griffith and Jack Black at the 2012 Pioneer of The Year Dinner Honoring DreamWorks Animation's Jeffrey Katzenberg at Caesars Palace on April 25, 2012 in Las Vegas, Nevada
