Repeat: Prominent celebrities -- such as Eminem, Rihanna, Lady Gaga and Britney Spears -- have pledged to promote the film by posting it on their Facebook pages or offering links on their Twitter feeds.
Prominent celebrities -- such as Eminem, Rihanna, Lady Gaga and Britney Spears -- have pledged to promote the film by posting it on their Facebook pages or offering links on their Twitter feeds.