Oprah Winfrey can turn an unknown novelist into a New York Times bestseller almost overnight, simply by adding the writer's work to her famed Book Club. So if getting the daytime TV goddess' endorsement for one's book is tantamount to guaranteed success, does the same thing apply for a movie based on a book? The world is about to find out.

Back in January, Oprah saw the movie 'Precious: Based on the Novel Push by Sapphire' just before it debuted to raves at the Sundance Film Festival, where it went on to win the competition's coveted Grand Jury Prize, as well as the Audience Award and the Special Jury Prize for Acting (for Mo'nique) ... and she was utterly blown away.