The new NBC musical series will be available starting today on iTunes, Amazon, and XBox through February 6.
The actress will appear in five episodes of NBC's upcoming musical series, portraying a difficult movie star.
The Dorothy of Oz actress talks about the upcoming musical series on NBC which debuts in midseason.
Get your first look at trailers, clips and behind-the-scenes videos from NBC's new dramas in the fall 2011-2012 season.
The network has added six new dramas and six new comedies to their lineup, and they have also pushed the comedy 30 Rock to a midseason debut.