http://www.movieweb.com/news/NEgnk8UqQoStjp
http://www.slashfilm.com/2010/10/05/david-o-russell-wont-make-pride-and-prejudice-and-zombies/
The point is, due to Natalie Portman's scheduling conflict for Pride Prejudices Zombie , David O.Russell move on to St.Louis immediately. But on the other hand, now the one with scheduling conflict is Scarlet Johansson
Oh no, the duet between Chloe & Scarlett will be ecstatic! Such a shame *sigh*.