Kidman's low-budget shoot for Rabbit Hole
The Moulin Rouge! star scaled back her luxury lifestyle so film bosses could create the emotional movie on a £6.6 million budget.
Kidman, who also serves as a producer on the drama, reveals, "We lived in the house the movie was shot in, shared the bathroom and had blow-up beds to sleep on. When filming on location in a school, I got changed behind a curtain in the headmistress' office."
The film, which sees Kidman play a bereaved mother, is set for release next month (Dec10).
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