Sandra Bullock and Oprah Winfrey Among 2011 Oscar Presenters

Oscar winners Jeff Bridges, Halle Berry, Sandra Bullock and Marisa Tomei have become the first stars announced as presenters at the 83rd Academy Awards next year. Berry won a Best Actress Oscar in 2001 for "Monster's Ball", Tomei a Best Supporting Actress award in 1992 and Bridges and Bullock landed top acting honors this year for their roles in "Crazy Heart" and "The Blind Side". Oprah