Andrew O`Hagan, who wrote the book `The Life and Opinions of Maf The Dog, and Of His Friend MarilynMonroe`, confirmed the `Salt` actress would play the blonde bombshell in a Hollywood adaptation of his novel while speaking at the Edinburgh Book Festival.
He also confirmed George Clooney would playMonroe`s friend Frank Sinatra in the epic.
Christina Hendricks and Scarlett Johansson had previously been lined up to playMonroe.
The book tells the story of the `Some Like It Hot` actress two years prior to her death in 1962 from the perspective of her dog Maf, given to her as a gift from Sinatra.
Angelina had previously been mentioned as one actress lined up to play Elizabeth Taylor in a story about the British actress` life, but Elizabeth scotched plans saying only she would be able to play her as she is still alive.