More rumors that Shania might be leaning toward a headlining gig in Las Vegas.   Clues gleaned from a trailer about her new show on Oprah's Network leads to the latest speculations.

In the trailer for her program, Twain talks about what it took to resume her career, and the video clearly shows footage of her at a Vegas venue the Colosseum at Caesars Palace and in her tour bus. Cher begins her final shows Jan. 11 and Celine Dion doesn’t start her new run until March 15, leaving a large hole to fill.

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