Lawrence floored by Best Actress win; ‘Argo,’ Daniel Day-Lewis also take home Oscars

FilmMagic Actress Jennifer Lawrence gives the finger to photographers after winning the Oscar for Best Actress. It was the rise and fall and rise of a great young star. Twenty-two-year-old “Silver Linings Playbook” star Jennifer Lawrence won the Oscar for Best Actress last night — but then took an embarrassing header…