"According to Director Darren Lynn Bousman, Paris Hilton was so passionate about the film being made, that when production was going to be halted due to the budget going over by $50,000, Hilton made a paid appearance at a nightclub for that sum to make up the difference and keep filming going. Despite this, she is not credited as a producer."
Horror Character Appreciation - Paris Hilton as Amber Sweet in Repo! The Genetic Opera (2008) dir. Darren Lynn Bousman