Shania Twain shared exciting news on Instagram recently but it was her appearance which sparked a major reaction.The country music star thrilled fans when she announced tickets for her new Las Vegas residency had gone on sale.MORE: Shania Twain shares look inside her $13million mansion Shania shared an official poster for Let’s Go on social media in which she wore a tasseled, blue crop top with low-slung mesh pants. WATCH: Shania Twain films inside her incredible bedroom Her fans said they