Shania Twain appeared on The Oprah Winfrey Show today giving her first interview in five years. She talked about the release of her book "From This Moment On" in stores now, and her upcoming OWN Network television series Why Not?

Shania Twain surprised Oprah and the audience with two-day passes to the 2011 CMA Music Festival, including accommodations at the Gaylord Opryland Resort Hotel. Shania also promised to host a private luncheon for the studio audience members when in Nashville for the two-day festival.

Why Not? Hosted by Shania Twain premiers on OWN this Sunday, May 8.

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