Las Vegas is set to host powerhouse singers Mariah Carey, Janet Jackson, Shania Twain, and Carrie Underwood for separate residencies this year. Mariah Carey will perform at Dolby Live at Park MGM, Janet Jackson at The Theatre at Resorts World Las Vegas, Shania Twain at PH Live at Planet Hollywood Resort & Casino, and Carrie Underwood at The Theatre at Resorts World Las Vegas. Ticket prices vary depending on the date and seating location, with the cheapest tickets starting at $59. Check out the full schedule and ticket information for each singer's residency in Las Vegas.