Oprah Winfrey's trials as the CEO of the OWN network have been covered in detail - occasionally by the media titan herself. But for now, at least, Winfrey still reigns as Forbes magazine's highest-paid celebrity for the fourth year in a row.

The publication estimates Winfrey earned $165 million between May 2011 and May 2012, thanks to her brand stretching across media. There's O magazine, a satellite radio station, Harpo productions programming - "The Dr. Oz Show," "Dr. Phil" and "Rachael Ray" - and, of course, the vulnerable OWN.

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