Shania Twain spoke with Billboard on the red carpet at the 2020 Grammy Awards, discussing what she loves most about her Las Vegas residency, which other artists she’s seen live while in Vegas, and what she thought of Halsey channeling some of her looks in her latest music video.Asked what is most different about doing a residency in Vegas versus playing other live shows, Twain tells Billboard that by doing a residency, she gets the best technology, lighting, sound, and consistency.