Posted on Wed Feb 2, 2011 10:00 AM PDT
Rooney Mara busted her butt during a workout in LA yesterday, and it looks like the starlet is serious about nailing the role of Lisbeth Salander in The Girl With The Dragon Tattoo.
After chopping off her hair and revealing her startling transformation in W mag last month, the actress has started shooting scenes for the film, which also stars Daniel Craig and Robin Wright.
Click after the jump to see what A-list television actor thinks Ms. Mara is "going to be the biggest movie star of her generation"!
That would be Alec Baldwin! The 30 Rock star recently praised Mara when Access Hollywood interviewed him at a press event.
SEE THE GALLERY Rooney Mara Kicks Butt As Lisbeth Salander
Rooney Mara Magically Grows Longer Locks - Apr 10, 2012
Rooney Mara: The Girl With The Givenchy Gown - Feb 26, 2012
Rooney Mara Adds A Splash Of Color To Her Wardrobe - Feb 04, 2012
The Girl With The Dragon Tattoo Flops At The Box Office - Dec 26, 2011
Rooney Mara And Daniel Craig Are Dark And Daring At The Dragon Tattoo Premiere - Dec 15, 2011