Fergie and her husband, Josh Duhamel , will sit for what's being described as a "no-holds-barred" interview with Oprah Winfrey for her show Oprah's Next Chapter on the OWN network.   Among the topics they'll discuss during the October 21 appearance are how tabloid stories about cheating affected their marriage.

In a preview clip posted online, Oprah is seen asking Fergie about her past drug use, her sexual relationships with women and, yes, the rumors that Josh had dallied with a stripper.  Also, according to the promo, Fergie will answer the question of whether or not she's leaving the Black Eyed Peas , though she's already denied those rumors.

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