Denise Truscello/Getty Shania Twain's latest Las Vegas residency kicked off Friday night The country star told PEOPLE she's "really happy" with the first performance Twain discussed her various ...

Shania Twain, the 58-year-old icon of country music ... foregoing makeup and tying her hair in a casual bun. The five-time Grammy winner completed the casual look with a gold necklace.