Pitt, Clooney and Dujardin on the Oscars red carpet
Hollywood's biggest night got under way with the start of the 84th Academy Awards ceremony, as two odes to film-making -- "The Artist" and "Hugo" -- go head-to-head for Oscars glory. Watch Brad Pitt, George Clooney and Jean Dujardin arrive on the red carpet. Duration: 00:39