Argo stormed to Best Picture victory at the Oscars on Sunday on a night of surprises. Jennifer Lawrence was named Best Actress for playing a feisty young widow in comedy Silver Linings Playbook tripping up on her Dior dress while was going up on the stage. Daniel Day-Lewis, won Best Actor for Lincoln as expected, made Oscar history and won a long standing ovation on becoming the first man to win three Best Actor Oscars.