'Ashamed' Stewart drops out of Cali role

Kristen Stewart has reportedly dropped out of her role in 'Cali'.

The 22-year-old actress - who recently cheated on boyfriend Robert Pattinson with her married 'Snow White and the Huntsman' director Rupert Sanders - is said to have pulled out of starring in the gritty action thriller, with Amber Heard tipped to take her place in the motion picture.