Natalie Portman has topped the list of best actors for the buck by Forbes magazine, bringing in about 42.70 dollars for every dollar she earns.

Forbes.com explained that as compared to Eddie Murphy, the most overpaid star, who returns 2.30 dollars for every dollar he gets paid, that Portman doesn't demand a giant payday yet and she's a fantastic investment.

According to the magazine, her 2010 'Black Swan' cost an estimated 13 million dollars to make, but grossed a whopping 329 million dollars at the box office worldwide.

Forbes ' second most bankable star was Kristen Stewart, CBS News reported.

The actress, who also leads the magazine's 2012 list of highest-earning actresses, rakes in 40.60 dollars for every dollar she makes.

Other 'Twilight' who made the list were Robert Pattinson, who came in at fourth, and Taylor Lautner, who came in sixth.