Nancy Wilson updates on Heart's biopic with Amazon Films and hints at a potential documentary.

Heart's Nancy Wilson has updated fans on the band's biopic, which is being developed by Amazon Films with a script by Carrie Brownstein and Jessica Goldberg. The project is about to start casting, and Wilson hopes Elle Fanning will play her and Dakota Fanning will play her sister Ann Wilson. There's also interest in a Heart documentary. The band is currently touring on their Royal Flush tour.