The movie 'Precious' was a surprise hit this past year, being nominated for and winning a host of year-end awards, as well as earning a Best Supporting Actress Oscar for star Mo'Nique.

On 'The Wendy Williams Show' (weekdays, syndicated), Lee Daniels -- the director of 'Precious' -- revealed his secret for raising money to make the film. Whenever funding was running short, he would have Mariah Carey come over to his house and sing for potential investors. And, according to Daniels, he asked her to make sure to "show your ta-tas ... with diamonds." Good to know.

Watch the video after the jump.'Precious' was a surprise hit this past year, being nominated for and winning a host of year-end awards, as well as earning a Best Supporting Actress Oscar for star Mo'Nique.

On 'The Wendy Williams Show' (weekdays, syndicated), Lee Daniels -- the director of 'Precious' -- revealed his secret for raising money to make the film. Whenever funding was running short, he would have Mariah Carey come over to his house and sing for potential investors. And, according to Daniels, he asked her to make sure to "show your ta-tas ... with diamonds." Good to know.