Oprah Winfrey - Oscars 2011 Presenter

Oprah Winfrey hits the stage at the 2011 Oscars held at the Kodak Theater on Sunday (February 27) in Los Angeles.

The 57-year-old media mogul wore a Zac Posen gown and presented the Best Documentary Award to the filmmakers of Inside Job.

Oprah will be returning to the stage tomorrow for her annual post-Oscar special.

Tune in to see interviews with the big winners, Gayle King‘s backstage footage, and a fashion recap from Carson Kressley!