Michelle Obama - Oscars 2013 Surprise Presenter!

Michelle Obama makes a surprise appearance at the 2013 Academy Awards held at the Dolby Theatre on Sunday (February 24) in Hollywood.

The 49-year-old First Lady of the United States made her appearance via live satellite from the White House in Washington, D.C. to announce Argo as the winner of Best Picture!

PHOTOS: Check out the latest pics of Michelle Obama

Michelle spoke for a good minute while presenter Jack Nicholson stood on stage and watched her on the screen.

FYI: Michelle is wearing a Naeem Khan dress.