58-year-old Shania Twain joked about a microphone-holding mistake during her Las Vegas residency, which went viral.

58-year-old country music star Shania Twain joked about an on-stage mistake during her Las Vegas residency, when she seemingly forgot which hand she was holding her microphone in while singing. Twain laughed off the gaffe, calling it "hilarious." The incident went viral, and she expressed gratitude that it was captured.