The 85th Academy Awards (Oscars 2013) best actress award won by Jennifer Lawrence – Silver Linings Playbook as Tiffany Maxwell. She falls over climbing stairs to collect best actress award. Jennifer beat out Jessica Chastain, Emmanuelle Riva, Quvenzhane Wallis, and Naomi Watts. 'You guys are just standing up because I fell and you feel bad,' she said. 'That was embarrassing.' Watch Jennifer Lawrence fall and acceptance speech video here.