Cry Me A River Justin Timberlake Download 'Cry Me A River' on iTunes
The "Friends" star signs up for new film role
The actress will play a member of The Goree Girls, a 1940s female band made up of ex convicts.
The film has been finally given the go-ahead after being in the works for a few years.
It's not been confirmed whether Aniston will be doing her own singing.