Finally the 84th Annual Academy Awards took place at Kodak Theater in Los Angeles on Sunday, February 26 and celebrities looked every bit as fabulous as everyone was expecting. Donning the hottest trends from hair to fashion, Hollywood's A-listers looked amazing, so check out the best celebrity hairstyles from the 2012 Oscars and pick your favorites!read more: Best Celebrity Hairstyles from the 2012 Oscars [PHOTOS]