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Portman poses at the 84th Academy Awards in Hollywood at the 84th Academy Awards in Hollywood

Actress Natalie Portman poses at the 84th Academy Awards in Hollywood at the 84th Academy Awards in Hollywood, California, February 26, 2012. REUTERS/Mario Anzuoni (UNITED STATES) (OSCARS-ARRIVALS)

Hollywood's most bankable stars

Oscar winner Natalie Portman tops the Forbes list of most bankable actor. Credit the phenomenon of 2011's awards

hit "Black Swan," made for just $13 million and earning $329 million in

domestic and international sales. The list was calculated using Forbes' Celebrity 100 index and

receipts from Box Office Mojo over the last three films from a given

star – like "Twilight Saga" queen Kristen Stewart, who clocked in at

number two. "Transformers" headliner Shia LaBeouf rounds out the top three.