Credit: Peter Kramer/AP photo

Last April, the dirt-digging author Kitty Kelley made a splash with her unauthorized biography of Oprah Winfrey. Now, a veteran film and television producer named Larry A. Thompson has announced plans to turn the gossip-filled book into a big-screen biopic. The movie is slated to be released in September 2011—the same month that the daytime queen plans to take her long-running show off the air—but the key part is, as of yet, uncast; Thompson has reportedly said that he's likely to choose an unknown actress for the starring role. Maybe so, but we can think of several big-name stars we'd be interested to see stepping in to Oprah's Louboutin's. What do you think? Check out Oprah's amazing transformation, and then tell us who should play her in the comments below.